Ferox Pretorius
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Joined 02-17-17, id: 8816494, Profile Updated: 07-30-18

Here to enjoy Fanfic and help out any author in need. Primary interest is Halo Fanfic, mainly ones with the Chief, cause you know he's a badass. Extensive knowledge in Halo and some in other sci-fi series. Feel free to PM.

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The Emerald Knight by HeyMrJack reviews
They say that The Emerald Knight is a legend, a fairytale. They say that he wore impenetrable green armor, and wielded a powerful sword that could cut through thousands of men and grimm in seconds- however, that is all a legend. The truth? The Emerald Knight is actually a sleeping soldier from another world, and he has now woken up to fight once more and this time, it's for Remnant
Crossover - Halo & RWBY - Rated: T - English - Adventure - Chapters: 3 - Words: 12,736 - Reviews: 37 - Favs: 161 - Follows: 237 - Updated: 8/28 - Published: 3/23 - Master Chief/John-117, Team RWBY, Oscar P., Ozma
Mass Effect: Trailblazer by TallYapflip reviews
Humanity, left to its own devices for centuries, comes into contact with the Citadel Council. A misunderstanding leads to hostile first contact, and the UNSC is drawn into war with the Council shortly after the Insurrection's height. The Council finds itself face-to-face with a species that has broken the shackles of Mass Effect Technology. The Era of Humanity has only just begun.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 54,558 - Reviews: 521 - Favs: 1,534 - Follows: 2,087 - Updated: 8/26 - Published: 7/14/2017 - Master Chief/John-117, J. Keyes, Shepard (F), Miranda L.
The Reclamation has already begun by Fade Maybe reviews
The Citadel Council and the Systems Alliance fight for survival against the Reaper onslaught. However, the UNSC, politically divided and still recovering from the Didact's assault discovers a Mass Relay that will force them into the fight and change the course of galactic history forever. The Reclamation has already begun, and we are hopeless to stop it. ME3/post Halo 4
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 36 - Words: 355,591 - Reviews: 1088 - Favs: 1,194 - Follows: 1,554 - Updated: 8/23 - Published: 3/13/2013
Sisterhood by RoyalDragoon reviews
After tragedy leaves Weiss and Blake on Patch with no memories, they are taken in by Summer and Taiyang and raised alongside Ruby and Yang as sisters. Now the four girls go to Beacon to become the greatest Huntresses ever, but they will face many obstacles that will test their bonds. Grimm, criminals, terrorists and their own forgotten past. Includes Pollination and Juniper Berries
RWBY - Rated: M - English - Adventure/Romance - Chapters: 10 - Words: 96,353 - Reviews: 180 - Favs: 367 - Follows: 477 - Updated: 8/22 - Published: 5/13/2017 - Ruby R., Weiss S., Blake B., Yang X.L.
Effects of a Titan by greeneman42 reviews
A small salvage ship comes across an interesting find while searching. Set before Halo 4 and before ME 2
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 28 - Words: 197,715 - Reviews: 946 - Favs: 1,500 - Follows: 1,973 - Updated: 8/21 - Published: 11/26/2013 - Master Chief/John-117, Cortana, Shepard (F)
Daily war with monster girls by Masterdude21 reviews
With the help of the highly-motivated extra-species in the military, mankind holds their own against the brutal onslaught of the Covenant. In their haste to close the gap in space warfare, ONI stumbles upon Relay 314. Even as new enemies arise, the galaxy constantly thwarts Cortana's schemes to build the Master Chief the ultimate harem. Halo/Mass Effect/Monster Musume crossover.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Romance - Chapters: 22 - Words: 293,980 - Reviews: 790 - Favs: 1,382 - Follows: 1,606 - Updated: 8/18 - Published: 9/20/2016 - Master Chief/John-117, Cortana, Shepard (F)
D-Fibers by Tatsurou-san reviews
When Honnouji Academy fell, Ryuko and her friends thought that was the end of their troubles, that they could move on to pursue their dreams. Unfortunately, due to a computer mishap and the rest of the world 'forgetting' the Life Fiber conflict, their school records are gone. So they need to go back to school...at Kuoh Academy. Their troubles are just beginning.
Crossover - High School DxD/ハイスクールD×D & Kill la Kill/ キルラキル - Rated: T - English - Humor/Fantasy - Chapters: 34 - Words: 47,771 - Reviews: 148 - Favs: 247 - Follows: 307 - Updated: 8/5 - Published: 8/28/2018
Humans Not Machines by RX105STRIKE reviews
They were once best friends until they came. They stole his future, his family, and his friend Houki. Forced into a different universe he fought against the Insurrectionists and later the Covenant. After 27 years of fighting he forgot about his childhood, but when Cortona opens a prototype waypoint, in order to save his life, he is finally back home. (check profile for updates)
Crossover - Halo & Infinite Stratos/IS<インフィニット・ストラトス> - Rated: T - English - Hurt/Comfort/Romance - Chapters: 14 - Words: 93,200 - Reviews: 464 - Favs: 732 - Follows: 899 - Updated: 7/31 - Published: 12/28/2013 - Master Chief/John-117, Ichika O., Houki S., Charlotte D./Charles
The Mantle of Remnant by KtyouVsWriting reviews
The Master Chief has saved Humanity at the cost of Cortana, one of his few remaining friends. More than he will admit, John relied on her, cared for her. To no longer have her means to lose another part of his humanity. Still the universe keeps going and once again, he is called to serve and protect Mankind. Now he has a choice: does he brave Remnant alone or does he embrace help?
Crossover - Halo & RWBY - Rated: M - English - Adventure/Friendship - Chapters: 3 - Words: 16,476 - Reviews: 54 - Favs: 192 - Follows: 278 - Updated: 7/29 - Published: 5/16 - Master Chief/John-117
To Infinity by creamofwheat2311 reviews
After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 46 - Words: 390,407 - Reviews: 3556 - Favs: 4,088 - Follows: 4,905 - Updated: 7/25 - Published: 10/9/2013 - Master Chief/John-117, Arbiter, T. Lasky, Shepard (M)
Sins of a Galactic Empire Reborn by zzzxxc1 reviews
When the unknown regions of space are revealed to the galaxy at large by a CIS warship, the UNSC becomes members of the galactic community, but its existence is soon threatened by the decline of the Republic. Adopted from SpaceCowboy2013.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 26,488 - Reviews: 118 - Favs: 357 - Follows: 506 - Updated: 7/21 - Published: 7/28/2018 - Anakin Skywalker, Obi-Wan K., Master Chief/John-117, Cortana
Remnants of the Reclaimers by Lieutenant-058 reviews
Blue Team falls into Remnant during a freak training incident and must try to survive in a world full of monsters and crazy weapons. Disclaimer: I don't own anything.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Fantasy - Chapters: 16 - Words: 38,328 - Reviews: 47 - Favs: 90 - Follows: 128 - Updated: 7/15 - Published: 10/16/2018 - Master Chief/John-117, Kelly-087, Linda-058, Fred-104
Enduring the Flames of War by Masterdude21 reviews
A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 32 - Words: 452,176 - Reviews: 1657 - Favs: 2,440 - Follows: 3,105 - Updated: 7/12 - Published: 11/30/2015 - Master Chief/John-117, OC, Shepard (F)
Star Wars: Halo at war by reza0807 reviews
Darth Sidious, emperor of the Galactic Empire, used his foresight along with his cunning mind to rise to power. His visions allowed him to eliminate any threat to his rule. Now the Dark Side whispers of a weakened yet worthy foe in a neighboring galaxy. The war machine of the Empire is now giving its undivided attention to the UEG and its protector the UNSC. A new war has begun...
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 180,157 - Reviews: 275 - Favs: 324 - Follows: 397 - Updated: 7/4 - Published: 6/27/2017 - Darth Vader, E. Palpatine, Master Chief/John-117, T. Lasky - Complete
Heroes and Soldiers by Captin Morgan92 reviews
Master Chief, The rookie, Dutch, Buck, Romeo, Avery and Miranda Keyes arrive in the Marvel Universe in the recently upgraded Forward Unto Dawn. They discover super heroes, The Avengers, and S.H.I.E.L.D on this Earth. They do their best to adjust to the new time period and do the universe some good during their unplanned stay. If it means fighting along Earth's mightiest heroes...
Crossover - Marvel & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 103,374 - Reviews: 123 - Favs: 314 - Follows: 337 - Updated: 6/24 - Published: 9/18/2016 - Nick Fury Jr., Master Chief/John-117, A. J. Johnson, Rookie
The Fifth-Race Reclaimers by Piero217 reviews
The Four Great Races once watched over thousands of worlds… but only one species was destined to inherit their place. Now, as an ancestral enemy rises from the ashes and threatens all life as we know it, humans from two different universes must learn to overcome their differences and stand together to reclaim the Mantle of Responsibility. Set shortly after the events of Spartan Ops
Crossover - Halo & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 165,954 - Reviews: 256 - Favs: 371 - Follows: 407 - Updated: 6/1 - Published: 6/1/2013 - Master Chief/John-117, C. Halsey, Cortana, John S. - Complete
The Spartan Effect by Gatekeeper333 reviews
Everyone's favorite Spartan is looking for a new purpose, lucky for him, the Commander his happy to oblige. (5-23-19 Info: On Hiatus after Chapter 45. Will update with schedule after life is in order.)
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 45 - Words: 495,928 - Reviews: 1674 - Favs: 2,360 - Follows: 2,922 - Updated: 5/23 - Published: 3/27/2011 - Master Chief/John-117, Tali'Zorah, Miranda L., Shepard (M)
HALO Mass convergence by SapphireDawn11709 reviews
Two Universe collide after the Forerunners fall and the Reapers return, will the two branches of Humanity placed in their respective Systems by a Forerunner Monitor unite or fall, only time will tell in this epic clash. When the UNSC Exploration and Research Vessel Light of Sol discover a strange artifact, they are opened up to the rest of the Galaxy after millennia of isolation.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 22 - Words: 75,292 - Reviews: 273 - Favs: 519 - Follows: 692 - Updated: 5/23 - Published: 9/18/2016 - Master Chief/John-117, Cortana, Shepard (F), Tali'Zorah
Limits (Adopted by Indomiraptor- Originally by Andrithir) by Indomiraptor reviews
Master chief winds up in justice league universe.
Crossover - Halo & Justice League - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 21,189 - Reviews: 15 - Favs: 68 - Follows: 110 - Updated: 5/21 - Published: 12/2/2017 - Master Chief/John-117, Diana of Themyscira/Wonder Woman
Operation Noah by Azrael The Deplorable reviews
Join Black and Blue team on a journey on Maethrillian to help end a galactic genocide of a neighboring galaxy to secure Forerunner artifacts, tech, and ships. Will they succeed in ending the Reaper menace alongside with the help of Commander Shepard and crew? Or will there be more bodies for the grave? Disclaimer I do not own Halo or Mass Effect.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 6 - Words: 57,309 - Reviews: 61 - Favs: 121 - Follows: 184 - Updated: 5/19 - Published: 9/9/2018 - Master Chief/John-117, 049 Abject Testament, Shepard (F), Liara T'Soni
The Greatest Prison by evevee reviews
Tracer never talked about her time as a lost soul. She's known now as the excitable Brit, the puppy of Overwatch, the fearless point on any offensive. Winston had always suspected some form of trauma, and Widow had proved that at King's Row. Unbeknownst to all, her true terror approaches, and as one wise man once said, "If you were his enemy...may god help you."
Crossover - Halo & Overwatch - Rated: M - English - Sci-Fi/Adventure - Chapters: 12 - Words: 60,651 - Reviews: 165 - Favs: 626 - Follows: 941 - Updated: 5/12 - Published: 9/12/2016 - Master Chief/John-117, Arbiter, Amélie L./Widowmaker, Lena O./Tracer
Dead Or Alive:Finishing The Fight by Who Let This Guy On reviews
When the Forward Unto Dawn crash lands 500 years in the past on earth, it sets the stage for untold repercussions for the whole of humanity. When the super soldier finds himself as a potential entree into the years DOA tournament however it sets the stage for Victor Donovan and the rest of the Doa World to finally see what a "Perfect Weapon" is capable of.
Crossover - Dead or Alive & Halo - Rated: M - English - Adventure - Chapters: 7 - Words: 56,248 - Reviews: 113 - Favs: 225 - Follows: 279 - Updated: 4/7 - Published: 5/28/2016 - Ryu Hayabusa, Kasumi, Master Chief/John-117, Cortana
MC in ME by W0lfsimien reviews
The story takes place after Halo 3 and in the first Mass Effect game. The Forward unto Dawn drifts through space marking the beginning of a new adventure for Master Chief, in a galaxy he could never have imagined. What happens when the greatest super soldier from one universe meets the rising star future specter of another, read and find out. Constructive criticism appreciated.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 17,921 - Reviews: 74 - Favs: 135 - Follows: 210 - Updated: 4/6 - Published: 12/1/2012 - Master Chief/John-117, Shepard (F)
Spartan and Wolf: Realities Collide by Arisentactica reviews
Chief and Cortana drift to a forerunner planet in the remains of the Forward Unto Dawn. In another timeline, in another part of the Galaxy, an admiral is the lone survivor of a costly battle. Will they meet? Will they become allies or bitter enemies? Where will they go and what will they do? M for blood, gore, and language. HIATUS! (Chapters 5-6 being rewritten!)
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 36,246 - Reviews: 33 - Favs: 109 - Follows: 149 - Updated: 4/2 - Published: 10/11/2018 - Master Chief/John-117, Cortana, OC, T. Vasir
Halo: The War on Sera by SwedishEmperorThe1 reviews
After the final battle at the Ark, the Master Chief and his friends finds themselves on the obscure planet of Sera. There they've to team up with Sergeant Marcus Fenix and his Delta Squad to once again save humanity from enemies desiring its extermination, as well uncover hidden conspiracies that could determine the very fate of the universe.
Crossover - Halo & Gears of War - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 39,075 - Reviews: 35 - Favs: 81 - Follows: 96 - Updated: 4/2 - Published: 12/26/2015 - Master Chief/John-117, Marcus F.
The Promethean Spartan by ErenJaeger17 reviews
When Master Chief destroyed the Didact's ship, he expected death. Now he is stuck in a new galaxy; with Cortana's legacy and new armor. Can Shepard help the Spartan? Can the Master Chief help save the colonies? Starts at the very end of Halo 4 and in the beginning portion of Mass Effect 2.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 3 - Words: 19,213 - Reviews: 155 - Favs: 652 - Follows: 937 - Updated: 3/29 - Published: 7/4/2016 - Master Chief/John-117, Shepard (F)
The Remnant Campaign by SHIPWRECK-5897 reviews
During the 1st battle of Harvest in 2526 John-117 is nearly killed during combat and taken out until further notice. After a series of events though, the UNSC Everest discovers an unknown planet. The strangest part of it all is that it hasn't been touched by Covenant as of Yet. John's orders have changed from fighting on Harvest to entering the world.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 21 - Words: 272,766 - Reviews: 965 - Favs: 949 - Follows: 1,085 - Updated: 3/29 - Published: 2/1/2015 - Master Chief/John-117, Team RWBY
The Coming Darkness by Usernamesarebad reviews
On the far edges of the galaxy, hidden on the moon of Bakura, lurks an enemy. An enemy who has already destroyed one great civilization, consuming it in darkness. Now, that same all-consuming tide stands poised, ready to reveal itself to a large, foreign, totally unprepared galaxy.
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Suspense - Chapters: 28 - Words: 250,446 - Reviews: 286 - Favs: 290 - Follows: 316 - Updated: 3/29 - Published: 1/2/2017 - Anakin Skywalker, Aayla S., Ahsoka T., Rtas 'Vadumee
The Ultimate Warrior by long night of solace reviews
Humanity is an impressive inter-galactic empire at tier-0 level. When John-117, their military commander engages an unknown enemy, he and Cortana in a fortress ship, Labyrinth of Chaos were displaced into an alternate universe with things beyond imagination. He needs to team up with the Marvel heroes to solve a mystery that might threaten the whole universe.
Crossover - Marvel & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 83,996 - Reviews: 93 - Favs: 247 - Follows: 271 - Updated: 3/22 - Published: 12/11/2017 - T. Stark/ Iron man, Master Chief/John-117
Voltron Spartan Defendors by Codey-Wraith reviews
Who would you want to control Voltron? A soldier that protects those around them or a power hungry madman? Follow the Master Chief, and his allies as they assemble Voltron to defeat those who threaten the universe.
Crossover - Halo & Voltron: Legendary Defender - Rated: M - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 20,013 - Reviews: 12 - Favs: 36 - Follows: 50 - Updated: 3/22 - Published: 3/30/2018 - Master Chief/John-117, Cortana, Princess Allura
On the Illusion of Might by evevee reviews
We thought ourselves powerful, able to conquer a galaxy with nothing but toys. When we overcame every challenge, breached the space between the galaxies themselves, what use were the words of a race ashamed of their own past? Yet we cannot deny that we were warned, for while a challenge to a human is laughable, a challenge to humanity is a death sentence.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 20 - Words: 225,409 - Reviews: 1316 - Favs: 2,104 - Follows: 2,788 - Updated: 2/21 - Published: 2/21/2017 - Master Chief/John-117, Cortana, Shepard (F), Garrus V.
Dawn of Valor: Lightning's Horizon by Hunter Dracon reviews
A feisty lone wolf Hunter of the Guardians of the City who's determined to remember her past. A green armored super-soldier from long ago with an AI that remembers the Hunter, plus an elite force determined to wipe out the remnants of Humanity, taking away the Traveler's Light and stripping the Guardians or their power. It's the Dawn of Valor my friends, you don't want to miss it.
Crossover - Halo & Destiny - Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 10,707 - Reviews: 9 - Favs: 26 - Follows: 42 - Updated: 1/31 - Published: 12/7/2018 - Master Chief/John-117, OC
The Glass Cage by LadyReclaimer reviews
Cortana awakens to a strange mental prison, where she discovers a horrible truth about where she is and who is betraying the master chief. *Halo 5 spoilers*
Halo - Rated: K+ - English - Romance/Suspense - Chapters: 19 - Words: 67,228 - Reviews: 166 - Favs: 254 - Follows: 332 - Updated: 1/26 - Published: 12/25/2015 - [Cortana, Master Chief/John-117] IsoDidact/Bornstellar Makes Eternal Lasting, Warden Eternal
Purpose Of Existence by BarQes reviews
Chapter 1-5 reworked. What would you do when your entire life is surrounded around a military and your only purpose is to defend humanity and it's homeworld. You weren't meant to have friends, your family are you brothers and sisters in arms. You feel no emotion. How can a single blue lady change so much? Set after Halo 5.
Halo - Rated: T - English - Romance/Drama - Chapters: 45 - Words: 56,000 - Reviews: 86 - Favs: 117 - Follows: 167 - Updated: 1/15 - Published: 4/14/2017 - [Master Chief/John-117, Cortana] [T. Lasky, S. Palmer]
A Spartan in Chaotic by AustinGamer117 reviews
A fallen star crashes on the continent of Perim, its warlike inhabitants ignorant of what it possesses. What many see as another gift from the gods, but what it holds could trip the fragile balance of the tribes into chaos.
Crossover - Halo & Chaotic - Rated: M - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 13,150 - Reviews: 13 - Favs: 29 - Follows: 37 - Updated: 1/15 - Published: 11/30/2017 - Master Chief/John-117, Cortana, Maxxor, Najarin
The Unknown Defender by Gabenator5 reviews
While Shepard is closing in on Saren. Stories begin to spread among the pirates and slavers of the galaxy. Rumors of a nameless fear, of a creature, a demon wreathed in green armor. It and its allies appear from nowhere slughtering all who oppose them, then vanish without a trace. What is the purpose of this unknown faction... and what will they do next?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 115,734 - Reviews: 1007 - Favs: 2,638 - Follows: 3,449 - Updated: 1/13 - Published: 9/27/2016 - Master Chief/John-117, Cortana, Shepard (F), Tali'Zorah
The Last Spartan by DinoJake reviews
An AU fic in which the Halo and ME universes share the same galaxy. After a well deserved rest in Cryo-Sleep, Master Chief finally awakens...to a whole new galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 55 - Words: 489,686 - Reviews: 3913 - Favs: 3,813 - Follows: 3,842 - Updated: 12/31/2018 - Published: 5/2/2010 - Master Chief/John-117
For the Love of a Memory by SentinelStorm reviews
Church refused to die on the very likely chance that Wash was right. Dr. Halsey wasn't about to let humanity's most advanced AI rot in a lab, and Lord Hood certainly wasn't willing to watch mankind's savior go into battle without someone watching his back. The Chief just wished they had picked someone else. M for language. Cover art by Pilgrimwanders. Continuation from last author.
Crossover - Halo & Red vs. Blue - Rated: M - English - Sci-Fi/Humor - Chapters: 9 - Words: 55,615 - Reviews: 59 - Favs: 215 - Follows: 251 - Updated: 12/25/2018 - Published: 8/24/2018 - Master Chief/John-117, L. Church/Alpha
Halo: The Unexpected Journey by KateRose1995 reviews
A 14 year old master chief gets sent back in time to the 21st century. He has to adjust to life in high school and being in the 21st. Takes place right before he would have gotten his augmentations.
Halo - Rated: T - English - Adventure/Family - Chapters: 7 - Words: 6,261 - Reviews: 8 - Favs: 15 - Follows: 17 - Updated: 11/22/2018 - Published: 6/2/2018
Broken Moon, Bloody Sky by BumblebeeN7 reviews
It's finished. The leaders of the Covenant dead, the Flood gone, and Halo destroyed once again. Stranded in deep space, the Chief has no idea how long they'll be out here. All he can hope is for a quick rescue and the war to finally be over. But he has a feeling it's just getting started...
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 5,402 - Reviews: 43 - Favs: 103 - Follows: 186 - Updated: 10/29/2018 - Published: 1/4/2017 - Master Chief/John-117, Cortana, Team RWBY
The Roads of War by Sierra.BN312 reviews
Our galaxy is home to billions of stars, each star could hold new life, and every life holds a new story. Commander Jane Shepard attempts to rally the galaxy against the Reaper threat, but a distress signal leads her to discover more than what she bargained for.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 74,018 - Reviews: 118 - Favs: 638 - Follows: 927 - Updated: 10/25/2018 - Published: 4/30/2017 - Master Chief/John-117, Cortana, Shepard (F)
The Great Flood by Soul's Release reviews
When a warrior falls from the stars and accidentally brings with him a scourge of immeasurable danger, Ruby Rose and her fellow classmates must band together in order to survive the newest threat to ALL life on Remnant.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Horror - Chapters: 3 - Words: 10,905 - Reviews: 34 - Favs: 55 - Follows: 84 - Updated: 10/24/2018 - Published: 6/29/2018 - Master Chief/John-117, Cortana, Team RWBY, Team JNPR
Halo: Return to Sender by unevenElephant reviews
Meeting a legend is one thing, hunting them is another. Stranded on Genesis Fireteam Osiris and Blue Team are pushed to come to terms with one another as they make their way back Sanghelios to meet up with some old friends. An expansion of the early events in Halo: Bad Blood.
Halo - Rated: T - English - Drama/Adventure - Chapters: 4 - Words: 11,105 - Reviews: 7 - Favs: 24 - Follows: 23 - Updated: 10/23/2018 - Published: 8/14/2018 - Master Chief/John-117, Kelly-087, Linda-058, Fred-104
Halo: Mortal Extinction by PostManMontana reviews
After trailing the Prophet of Regret through slipspace, Commander Miranda Keyes and the crew of the UNSC In Amber Clad are faced with a shield world. In it, a halo. The failure of Mortal life causes an ancient evil buried deep within to stir, once more putting the fate of the entire galaxy at risk. Cover Art is all mine . May go to M rating. Starts in Halo 2.
Halo - Rated: T - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 17,667 - Reviews: 1 - Favs: 6 - Follows: 6 - Updated: 10/9/2018 - Published: 8/14/2018 - Master Chief/John-117, A. J. Johnson, Miranda K., OC
Merged Galaxy Part 1: Tenuous Pacts by Slipspace Anomaly reviews
Nations collide as 2 alternate versions of the Milky Way Galaxy are joined into 1. As members of the SGC and the UNSC struggle to establish peaceful relations, a new threat emerges. One that includes new enemies from each of their pasts. Co-written with Jon Harper.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Chapters: 21 - Words: 164,926 - Reviews: 201 - Favs: 279 - Follows: 378 - Updated: 10/8/2018 - Published: 1/30/2017 - H. Maybourne, OC, Master Chief/John-117, C. Halsey
Simple Missions That Aren't Simple by MerToTheCado reviews
The Galactic Federation and the United Nation Space Command are at war and both Samus and the Master Chief are dragged in but when the reckless Space Pirates and the ruthless Covenant join forces, they are forced to work together or watch Earth perish. Rated T for later on the story. Please rate and leave suggestions.
Crossover - Metroid & Halo - Rated: T - English - Sci-Fi/Romance - Chapters: 29 - Words: 63,645 - Reviews: 107 - Favs: 97 - Follows: 129 - Updated: 10/8/2018 - Published: 7/5/2013 - [Samus A., Master Chief/John-117] Adam M., Cortana
Alternate Past, Uncertain Future Mk II by Follower38 reviews
Co-written with aDarkOne History, a single event, can alter so much, let alone two. The San'Shyum are no more. The Krogan Empire stands strong. Humanity is now a giant among the stars. With three Galactic Superpowers in play, will an encounter see a new Golden Age, or an Era of War? (Chapters 1-12 being rewritten)
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 33 - Words: 279,720 - Reviews: 757 - Favs: 702 - Follows: 812 - Updated: 10/6/2018 - Published: 8/28/2012
The World Could Always Use More Heroes by mcknight93 reviews
After facing Cortana again, the Master Chief finds himself thrown in an unknown city. The city itself had been attacked, but the Chief still moves ahead to rendezvous with Blue Team. Hoping to get a better idea of his situation, he comes across a variety of colorful characters. Some of them bring up the name of Overwatch.
Crossover - Halo & Overwatch - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 14,225 - Reviews: 29 - Favs: 102 - Follows: 140 - Updated: 10/1/2018 - Published: 9/23/2018 - Master Chief/John-117, J. Fawkes/Junkrat, Mako R./Roadhog
A Spartan in Westeros (A Song of Ice and Fire X Halo Crossover) by Agailius reviews
When the Forward Unto Dawn lands in the North, it sets the stage for untold repercussions which will ripple throughout the whole of Westeros. With civil war threatening to tear the land apart, and an entirely more dire threat arising beyond the Wall, John and Cortana take it upon themselves to again protect the whole of mankind; from both it's own demons... and those beyond.
Crossover - Halo & A song of Ice and Fire - Rated: M - English - Sci-Fi/Fantasy - Chapters: 21 - Words: 128,153 - Reviews: 1566 - Favs: 3,427 - Follows: 4,031 - Updated: 10/1/2018 - Published: 6/3/2014 - Master Chief/John-117, Cortana, Jon S., Eddard S./Ned
RWBY:New Dawn by The Rookie 545 reviews
A malfunction during the Forward Unto Dawns escape from the Ark occurs. Chief, Arbiter, and Cortana find themselves on Remnant. In order to survive they must learn about this world and the many dangers it brings. How will Chief and Arbiter fair against Remannt? Only one way to find out.
Crossover - Halo & RWBY - Rated: T - English - Adventure - Chapters: 4 - Words: 13,124 - Reviews: 73 - Favs: 155 - Follows: 238 - Updated: 9/15/2018 - Published: 3/31/2018 - Master Chief/John-117, Arbiter, Ozpin
New Horizons by 2 good 2 kill reviews
The Master Chief has finally lost everything. Halsey, his team, and finally Cortana. Where he may have chosen death, fate has set a new task before him with a new team. They will have to face down foes of incredible might and will have to rely on one another if they ever wish to see home again.
Crossover - Marvel & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 72,186 - Reviews: 108 - Favs: 160 - Follows: 179 - Updated: 9/14/2018 - Published: 1/3/2014 - Master Chief/John-117, Rtas 'Vadumee, S. Palmer
The Mantle Shelters All by Arielle1406 reviews
An H5 sequel. The Galaxy is thrown into chaos after Cortana and the Created seize control of the Forerunner Empire and attempt to force an era of imperial peace. Why has Cortana done this? John, BB, Lasky and Dr. Halsey each attempt to discover the truth and each of them respond differently to the crisis at hand. What will happen when their ideas of how to save the galaxy conflict?
Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 33 - Words: 110,143 - Reviews: 160 - Favs: 129 - Follows: 163 - Updated: 9/13/2018 - Published: 11/27/2015 - Master Chief/John-117, C. Halsey, Black-Box/BB, T. Lasky - Complete
Collectors at Dawn by jacksld850 reviews
The Master Chief and Cortana find themselves in an alternate reality and in contact with a mysterious black ops organization. Events soon spiral out of their control as they're forced into another battle for another humanity's survival.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 84,849 - Reviews: 92 - Favs: 397 - Follows: 559 - Updated: 9/7/2018 - Published: 1/20/2017 - Master Chief/John-117, Cortana, Miranda L., Shepard (M)
Oversleep by TheoremsEverywhere reviews
Cortana didn't reawaken John to fight the Covenant aboard the Forward Unto Dawn. Instead, the two wake up to a lifeless ship with no power, no communications, and with no idea what's going on. However, they soon discover that they are not alone...
Crossover - Halo & Warframe - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 19,759 - Reviews: 78 - Favs: 272 - Follows: 436 - Updated: 9/4/2018 - Published: 11/27/2017 - Master Chief/John-117, Cortana
A Spartan Among Shinobi by SHIPWRECK-5897 reviews
The Master Chief's life had ended at the destruction of the Infinity due to a traitor on board. He awakens in a new world with warriors known as "Shinobi" and being claimed as the "Pillar of prophesy" by a god. Now it falls under John-117's choices, will he ensure the prophesy in this new world safety and finally gain his sense of humanity... Or will he abandon it to a grim fate?
Crossover - Halo & Naruto - Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 177,959 - Reviews: 538 - Favs: 687 - Follows: 759 - Updated: 8/13/2018 - Published: 11/1/2014 - Master Chief/John-117, Tsunade S.
UNSC Ga Kill! by i4md347h reviews
After escaping with his life from the Ark, Master Chief, Cortana, and the crew of Forward Onto Dawn opened a slipspace portal to parts unknown, and the destination scrambled during the chaos. After scaping through the breach, the entire crew found themselves in a world, pristine from a glance. Yet the darkness it holds will defy everything they've known... Rated T for now.
Crossover - Halo & Akame ga Kiru/アカメが斬る - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 12,700 - Reviews: 23 - Favs: 90 - Follows: 105 - Updated: 8/11/2018 - Published: 8/10/2018 - Master Chief/John-117, Arbiter, Night Raid
Legends' Ripples by NCR Ranger reviews
The rank and file of the UNSC revere the Spartans; all that they are, and all they can do. But, actually meeting one, is on a whole different level
Halo - Rated: T - English - Adventure - Chapters: 1 - Words: 3,898 - Reviews: 2 - Favs: 3 - Follows: 4 - Published: 8/7/2018 - Linda-058 - Complete
The Spirit of Humanity by Kazlin reviews
After decades of ponderous travel through space the UNSC Spirit of Fire stumbles across the drifting tomb of Humanities greatest hero. Within the ship they find the means of possibly making it home, but to get there they will have to make alliances that could upend the balance of power in the Galaxy and change everything the Council races thought true.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 16,964 - Reviews: 148 - Favs: 490 - Follows: 848 - Updated: 8/3/2018 - Published: 5/24/2018
To Make a Difference by Alcanax reviews
Mass relay, FTL, slip-space. They bring people closer, but also seem to make the galaxy bigger. Reapers, they come from dark space. But what other dangers lurk between the stars? Pirates, Collectors or worse. Shepard and the Normandy crew will soon find out. Will Fate be merciful? Or will they have to bend it? Set after Halo3, and during ME2.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 64,670 - Reviews: 55 - Favs: 167 - Follows: 287 - Updated: 7/13/2018 - Published: 7/23/2015 - Master Chief/John-117, Shepard (F)
Heroes O' the Multiverse by SpawnofAnarion reviews
The death of a minor demon tears a hole in warp space, sending the Master Chief, a Dominion Ghost, an Inquisitor of the Imperium of man and their companions into the Reaper-verse. On the bright side, Shepard gains some powerful allies. Contains some language, decent amounts of violence, and several OCs.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 18,053 - Reviews: 34 - Favs: 135 - Follows: 197 - Updated: 7/11/2018 - Published: 1/23/2014 - Master Chief/John-117, Shepard (F)
Halo: Rebirth by TRX108 reviews
After Halo 4(SPOILER)-Humanity is saved, the Didact defeated. The future looks bright, but at a terrible cost in John's eyes. While the Master Chief struggles with coming to terms with the loss of his closest companion, old enemies close in. But all is not lost, the Rebirth is at hand. Rated M-Violence, Adult Language, Adult Content. Please review :) Master Chief/John-117 x Cortana
Halo - Rated: M - English - Drama/Romance - Chapters: 20 - Words: 82,044 - Reviews: 298 - Favs: 534 - Follows: 665 - Updated: 7/6/2018 - Published: 12/20/2012 - [Master Chief/John-117, Cortana] OC, S. Palmer
Wolverine Redemption by Outreach117 reviews
So just why did Clan Wolverine rebel in the early days of the Clans? What really pushed them to nuke an entire genetic repository, and why have they not been heard from since? How would a SPARTAN like John-117 integrate into the Clan Warrior Caste?
Crossover - Mechwarrior/Battletech & Halo - Rated: T - English - Chapters: 21 - Words: 41,873 - Reviews: 85 - Favs: 118 - Follows: 123 - Updated: 6/11/2018 - Published: 11/4/2009 - Master Chief/John-117
Old Spartan, New World by RealRider71 reviews
The Master Chief has crash landed upon the world of Remnant, his companion Cortana not at his side. This world is unlike anything he's ever seen, creatures of darkness, a species of human with animalistic traits, and teenagers with weapons that put some of the UNSC's arsenal to shame. Oh boy, what a wild ride he will be in for.
Crossover - Halo & RWBY - Rated: T - English - Adventure - Chapters: 15 - Words: 26,584 - Reviews: 103 - Favs: 194 - Follows: 255 - Updated: 6/8/2018 - Published: 9/9/2017 - Master Chief/John-117, Team RWBY
Percy Jackson and Autumn's Pillar by SpiritOfFire88L reviews
A new prophecy has been issued, and Nyx threatens Olympus. A universe away, A UNSC task group uses a Forerunner device to go back in time to stop the Human-Covenant War. The device fails, in a way and sends the crews of Pillar of Autumn II, Forward Unto Dawn II, and In Amber Clad II to a universe of deities. What will happen next? Read to find out. NOTE: Re-write coming.
Crossover - Halo & Percy Jackson and the Olympians - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 3,200 - Reviews: 12 - Favs: 12 - Follows: 15 - Updated: 5/11/2018 - Published: 11/21/2017 - Master Chief/John-117, OC, Percy J.
Halo: Finishing the Fight by Red Mage 04 reviews
The Ark wasn’t the end. Stranded on an alien world where the rules of reality no longer apply, the Master Chief and his allies will face new challenges. When darkness rises, they must show that sometimes, a few brave souls can make all the difference.
Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 47 - Words: 410,103 - Reviews: 938 - Favs: 1,389 - Follows: 1,150 - Updated: 5/2/2018 - Published: 3/2/2008 - Master Chief/John-117, A. J. Johnson
They Shall Not Pass! by Grubkiller19 reviews
Mankind has been through so much in it's struggle for survival. But the Empire has no regard for Man's problems. Only for its own quest for power and domination. The Empire moves to subjugate the only people that has ever dared to defy them. But they will find that to be a difficult endeavor. DISCONTINUED.
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Drama - Chapters: 13 - Words: 65,810 - Reviews: 121 - Favs: 159 - Follows: 180 - Updated: 4/29/2018 - Published: 5/2/2017 - Thrawn, Ahsoka T., Master Chief/John-117 - Complete
Chronicles of War by swordofsanghelios reviews
During the second battle of Geonosis during the clone wars, the Pillar of Autumn and her crew accidentally drop in with a hostile Covenant force. Trying to survive, the UNSC and the Republic fight back against the Covenant. But will the Republic stop the Covenant, or simply be it's next victim?
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 11 - Words: 41,554 - Reviews: 89 - Favs: 119 - Follows: 140 - Updated: 4/15/2018 - Published: 3/26/2017 - Anakin Skywalker, Master Chief/John-117, OC
The Spartans of Mandalore by hswatton147922 reviews
They called us the best. Didn't feel like it sometimes. But this, this was a chance. A chance to make the best, to have a true, lasting legacy that will be heard across the whole galaxy. This was my chance to change it all and to truly make the greatest soldiers this galaxy had ever seen. Better than all the rest. Maybe then this new title of mine won't weigh me down so much.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 59 - Words: 289,340 - Reviews: 291 - Favs: 430 - Follows: 488 - Updated: 4/12/2018 - Published: 6/3/2017 - Master Chief/John-117, Cortana
The Next Journey by Mr.McSqueeze107 reviews
After the destruction of the Ark, the Master Chief along with Cortana escape barely, hoping they return to Earth. But the Spartan and the AI are found and rescued by an unknown fraction. With the Republic in war with the Separatists, and the Jedi against the Sith, The Master Chief and Cortana are left with finding their galaxy and fighting in the Clone Wars.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 5,367 - Reviews: 18 - Favs: 89 - Follows: 127 - Published: 4/11/2018 - Anakin Skywalker, Obi-Wan K., Master Chief/John-117, Cortana
Where is Here? by ALXNDR reviews
The aftermath of a chance encounter between Thel'VaDam's armada, the Pillar of Autumn, a CIS fleet, and the Republic Resolute. Insanity and AU ensues. Lots of canon characters, and random OC's.
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 3,958 - Reviews: 5 - Favs: 6 - Follows: 10 - Updated: 3/18/2018 - Published: 1/30/2018
A sacred oath by Imperator45 reviews
"I swear to protect Earth and her colonies."That is an oath made by 75 children,75 children that were trained to serve Earth by becoming the best soldiers know in the history,and even throught that Master chief,AKA Spartan 117 is not in the same Universe anymore,he intend to fulfill this oath that he made so many years ago...No matter the price for it.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 14,302 - Reviews: 50 - Favs: 222 - Follows: 400 - Updated: 3/9/2018 - Published: 11/27/2017 - Master Chief/John-117, Cortana, Shepard (F)
Fraught with Peril: A Halo Mass Effect Story by A-01 reviews
John was born for war, and even in the wake of defeating the Didact, there will be no respite. Thrust into the Mass Effect Universe he must either find his place or find his way home as his presence brings new hope to Shepard and his campaign against the approaching Reaper armada.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 15 - Words: 151,659 - Reviews: 233 - Favs: 603 - Follows: 811 - Updated: 1/28/2018 - Published: 12/16/2016
World of Warcraft: Fall of Dawn by Stellar Castaway reviews
After the destruction of the Ark and the defeat of both the Covenant and the Flood, the Master Chief and Cortana now find themselves on the mysterious world of Azeroth. How will the races of the Alliance and the Horde handle the arrival of a Spartan and his A.I. companion from beyond the stars...?
Crossover - Warcraft & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 63,442 - Reviews: 180 - Favs: 626 - Follows: 740 - Updated: 1/12/2018 - Published: 10/19/2012 - Night Elf, Master Chief/John-117
John Doe by Dirtyhands reviews
John wants to try living a normal life. He enjoys some aspects of no longer being in the armor, other things he misses, like his blue girl. It's easier for him to let go of ONI than it is for ONI to let go of him.
Halo - Rated: M - English - Friendship/Romance - Chapters: 4 - Words: 29,438 - Reviews: 10 - Favs: 54 - Follows: 56 - Updated: 1/9/2018 - Published: 1/6/2018 - Master Chief/John-117, C. Halsey, Cortana - Complete
The Rising Autumn by TwinkieMain reviews
The conflict between an ancient empire and a modern military from another Earth was foreseen by many to be a strange affair. However, unknown to even both sides, the people of Falmart will find themselves joined by an unfamiliar third party, who come from a place that was least expected: Beyond the stars. The Autumn has risen, and the UNSC will leave its mark on the exotic world.
Crossover - Halo & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: T - English - Fantasy/Sci-Fi - Chapters: 6 - Words: 27,217 - Reviews: 184 - Favs: 539 - Follows: 768 - Updated: 12/11/2017 - Published: 7/12/2016 - Master Chief/John-117, J. Keyes, Tuka
The Return of the Re-claimers by Master Builder reviews
The Dawn is not just split when it passed through the portal through space but time as well. Follow Master Chief as he makes his way to Earth only to find another Humanity occupying Earth. Why are they using alien technology and what are these new aliens? Halo and Major X-Over No pairings
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 3 - Words: 11,517 - Reviews: 68 - Favs: 220 - Follows: 254 - Updated: 10/22/2017 - Published: 4/16/2015 - Master Chief/John-117, Cortana, Shepard (F), Miranda L.
The Chief guardian of Earthland by djs1998 reviews
What if instead of meeting the didactic the Chief ends up in Earthland and joins Fairy Tail to try to protect there new home that he and Cortana are stuck on now
Crossover - Halo & Fairy Tail - Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 1,531 - Reviews: 11 - Favs: 16 - Follows: 26 - Published: 9/19/2017 - Master Chief/John-117, Mirajane S., Team Natsu, Mavis V.
The Knight and Fairy of the Forward Unto Dawn by Truce D Jee reviews
What if they never stranded in space and met the Didact. Instead, they landed in the North. How will the lords and kings deal with this mighty warrior from the stars? Join Master Chief and Cortana as they turn the cold, backward region into the most advance kingdom in the World of Ice and Fire. (M for profanity and gore)
Crossover - Halo & Game of Thrones - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 63,235 - Reviews: 667 - Favs: 1,484 - Follows: 1,775 - Updated: 8/29/2017 - Published: 12/18/2016
Halo:Ressurection by Sierra Nova reviews
Post Halo 3: Five years have passed since John 117 was lost in space. Yet when humanity and its allies discover the last vestige of an empire once thought extinct, and an ancient threat resurfacing, he'll find that his luck hasn't run put just yet.(Halo is owned by Bungie/343 Industries. OC characters are mine.
Halo - Rated: T - English - Drama/Sci-Fi - Chapters: 2 - Words: 4,630 - Reviews: 3 - Favs: 7 - Follows: 11 - Updated: 8/24/2017 - Published: 8/11/2017
A Spartan in Remanat by zadro reviews
5 years after the battle of the Ark, Cortana woke up the Chief to discover that the Dawn was nearing an anomaly in space but they fail to escape, now in a new world the heroic duo from the Human-Covenat war now most adapt to this new world in order to survive this world's dangers and discover their most hidden secrets
Crossover - Halo & RWBY - Rated: T - English - Chapters: 9 - Words: 48,630 - Reviews: 166 - Favs: 370 - Follows: 418 - Updated: 8/24/2017 - Published: 7/16/2016 - Master Chief/John-117, Team RWBY
HaloHazard by Hyperwryter88 reviews
John-117, Cortana, Thel Vadam, UNSC marines, Elites and Brutes crash land on 20th century Earth in Raccoon City and deal with the 1998 T-virus outbreak until they can return to the 26th century. Halo and Resident Evil xover. Language and violence. BACK IN PRODUCTION AND WORKING ON NEW CHAPTER NOW. BE PATIENT.
Crossover - Resident Evil & Halo - Rated: M - English - Sci-Fi/Horror - Chapters: 19 - Words: 220,335 - Reviews: 180 - Favs: 272 - Follows: 244 - Updated: 8/22/2017 - Published: 12/16/2010 - Leon S. K., Claire R., Master Chief/John-117, Arbiter
Spartan meet Spectre by Go Beyond Plus Ultra reviews
This is a crossover Fic based upon Halo and mass effect where Spartan John 117 meets Spectre Jane/John (I haven't decided yet) Shepard I haven't thought much about this tell you what I'll make this chapter then brainstorm if I get good feedback then I will continue if not then okay.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 942 - Reviews: 11 - Favs: 12 - Follows: 17 - Published: 8/10/2017 - Master Chief/John-117, Cortana, Shepard (F), Shepard (M)
Wake Me, When You Need Me by aceofSpades44 reviews
The World of Remnant, a world under siege. A world teetering on the edge of ruin. A world with little hope. But when the Legendary Spartan lands on the planet, he will give Remnant the one thing it needs the most. Hope. [Reposted from Spacebattles]
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 6 - Words: 18,803 - Reviews: 40 - Favs: 232 - Follows: 339 - Updated: 7/31/2017 - Published: 5/22/2017 - Master Chief/John-117, Cortana, OC, Team CFVY
Attack on Titan: Spartan Assault (Looking for Beta Readers) by JoshMaxii reviews
Humanity is under siege. For 107 years, they have been forced to cower behind their walls in the face of the greatest threat they have ever known; the Titans. But, in their darkest hour, help arrives from the stars. John-117 may be able to change the tide of war, but new threats lay beyond the horizon, and it's not just the flesh eating giants he has to worry about. (Ch 2 Updated)
Crossover - Halo & Attack on Titan/進撃の巨人 - Rated: M - English - Horror/Sci-Fi - Chapters: 3 - Words: 12,813 - Reviews: 299 - Favs: 562 - Follows: 731 - Updated: 7/22/2017 - Published: 9/20/2013 - Master Chief/John-117, Cortana, Eren Y., Mikasa A.
Ahsoka's Tale by Winged Lady Colette reviews
The ruins of an old ship thousands of years old holds a strange device with a blue woman inside. The only true AI in the galaxy. While she doesn't remember her own past, she may be able to help uncover Ahsoka's, her master's and everyone around them. The Council has it's secrets, as does the Senate. And they will destroy each other. And everyone else.
Crossover - Star Wars & Halo - Rated: M - English - Adventure/Mystery - Chapters: 8 - Words: 39,393 - Reviews: 152 - Favs: 413 - Follows: 581 - Updated: 7/17/2017 - Published: 9/8/2016 - Anakin Skywalker, Ahsoka T., Master Chief/John-117, Cortana
Tears and Blood by JTHMManson4
[ Working Title ] It all started with a branched off Covenant force from Jul M'Dama's and a Forerunner Artifact.
Halo - Rated: T - English - Chapters: 1 - Words: 1,701 - Favs: 1 - Follows: 2 - Published: 7/12/2017 - Master Chief/John-117, OC
Halo: Rise of the Spartans by NightKnightMike reviews
After the end of the Human-Covenant War, humanity has been reduced to a VERY small number. That number being the Spartans that survived the aftermath. But even though everything is dead the Spartans still must protect whats left of humanity, by rebuilding from the ashes and repopulate. and rebuilding isn't the hard part...
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 1,894 - Reviews: 24 - Favs: 58 - Follows: 94 - Published: 6/14/2017
Legacy by Kireteiru reviews
Post Halo 5 AU where the Didact and the Warden are the major antagonists and the Chief's work-wife doesn't go over to the dark side (THE COOKIES AREN'T WORTH IT CORTANA THEY'RE NOT WORTH IT!), feat. non-evil rebellious Spartans.
Halo - Rated: K+ - English - Adventure/Romance - Chapters: 1 - Words: 1,946 - Reviews: 2 - Favs: 23 - Follows: 11 - Published: 5/24/2017 - Master Chief/John-117, C. Halsey, Cortana - Complete
Halo: The Mantle of Responsibility by A-01 reviews
Fate is strange, and as luck would have it, Johns' fate has once more been set onto a new path. He was once just a Spartan, but now a Commander, a legend, someone who has taken the long path to ensure a bright future.
Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 7,883 - Reviews: 15 - Favs: 50 - Follows: 63 - Updated: 5/17/2017 - Published: 8/28/2015
Mirrored Fates by long night of solace reviews
After the defeat of the didact, the galactic hero of the halo universe - Masterchief and his loyal blue team members embark on a strange new journey to an unknown universe in which later they come into contact with that universe's hero - Commander Shepard. Facing an unknown enemy, fighting a new war, its up to the heroes to save the day together.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 19 - Words: 171,269 - Reviews: 144 - Favs: 330 - Follows: 390 - Updated: 5/8/2017 - Published: 5/3/2016 - Master Chief/John-117, Cortana, Admiral Hackett, Shepard (M)
The Warrior of Mass, The Soldier of Effect by MilitaryMan1 reviews
There are many things one can prepare for; genocidal, synthetic-AI hell-bent on the destruction of galactic civilisation? Shepard had already mapped out 10 contingencies for that probability. Being transported by a Reaper artifact into an entirely new universe? Well...it may hold no bearing here, but she's prepared to show this new universe how she got the title "Butcher of Torfan"
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 5 - Words: 14,971 - Reviews: 26 - Favs: 43 - Follows: 58 - Updated: 5/6/2017 - Published: 4/9/2017 - Shepard (F), U. Wrex
Our Forgotten Heroes by TheAlphaTitan reviews
Humanity survived last time it was threatened, but now it faces a new enemy millenia later: the Darkness. What happens when all seems lost and our enemies are beating at the gates of Earth's Last City? What happens when our saviors are those who have fallen once before, and now our new Guardians are those who are only ever Missing in Action? (M for Possible Future Content)
Crossover - Halo & Destiny - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 62,405 - Reviews: 258 - Favs: 425 - Follows: 532 - Updated: 5/3/2017 - Published: 9/29/2014 - Master Chief/John-117, SPARTAN-B312/Noble Six, Cortana, OC
Death Itself by Stuff3 reviews
Strange as it may sound, they both had met before. A society of fanatics hiding from the truth and a man designed only for destruction. No matter what answer's they were looking for, neither of them would like what they found.
Crossover - Planet of the Apes & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 5,113 - Reviews: 9 - Favs: 22 - Follows: 34 - Updated: 5/1/2017 - Published: 4/19/2017 - Master Chief/John-117, Cortana - Complete
Crash Landed on Remnant by Terminatis reviews
It's been five years since the Ark, the Dawn adrift in the endless sea of black, nearing a temporal anomaly Cortana wakes up the Master Chief but they fail to escape, now trapped on a planet with no way to contact the UNSC the Chief and Cortana must do their best to survive and discover what they can about this new planet.
Crossover - Halo & RWBY - Rated: T - English - Chapters: 4 - Words: 7,743 - Reviews: 29 - Favs: 52 - Follows: 89 - Updated: 4/30/2017 - Published: 4/13/2017 - Master Chief/John-117, Cortana, Team RWBY
The Supernovas of Mass Effect: One Way Flight by Blindluck92 reviews
Everyone else calls it a suicide mission. To these guys, it's just business as usual. Sequel to The Supernovas of Mass Effect. Please read that one first. Spans all of Mass Effect 2, with characters from inFAMOUS, Prototype, Halo, and Bioshock, along with countless other references. Warning: Rated M for graphic violence, language, drugs, alcohol, Jack, and other adult themes.
Crossover - Mass Effect & inFAMOUS - Rated: M - English - Adventure/Sci-Fi - Chapters: 32 - Words: 250,285 - Reviews: 556 - Favs: 238 - Follows: 270 - Updated: 4/25/2017 - Published: 1/6/2014
Greenhorn by acceptmyusernamealready reviews
The Abyssals. Well, they came from the ultimate abyss, the void of space. What else would we have called them? They were the Covenant all over again, unstoppable, burning planets in their path. All fell before them. There was no hope. Until one day, they came. "UNSC FFG-201 Forward Unto Dawn, reporting for action." Lets hope we can train them all.
Crossover - Halo & Kantai Collection - Rated: T - English - Chapters: 27 - Words: 140,331 - Reviews: 114 - Favs: 266 - Follows: 318 - Updated: 4/19/2017 - Published: 11/14/2015 - Master Chief/John-117, T. Lasky
The Reclaimers by Junior Chief reviews
Set 3 months after Requiem's destruction a Human/Sangheili coalition force is sent to beyond the reaches of both their territories to secure a forerunner site. But what they found was a separate humanity living on a strange planet completely unscathed and oblivious to the happenings of the past war. But just like them this humanity faces a foe that threatens them to extinction.
Crossover - Halo & RWBY - Rated: M - English - Fantasy/Sci-Fi - Chapters: 6 - Words: 37,924 - Reviews: 67 - Favs: 148 - Follows: 193 - Updated: 4/13/2017 - Published: 4/19/2016 - Arbiter, T. Lasky, Ruby R., Team RWBY
Reclaiming the Past by Mesnakesta reviews
There once was a great empire that spanned the stars, life prospered under their careful tending. Sadly, all good things must come to an end. They left one of their own to help later civilizations. He was the most powerful of them all, and his fury is unrivaled. Shepard and co. investigate a strange signal, and find a relic of the great empire that even the Reapers feared.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 9 - Words: 20,591 - Reviews: 162 - Favs: 397 - Follows: 495 - Updated: 2/25/2017 - Published: 12/16/2014 - Master Chief/John-117, Garrus V., Tali'Zorah, Shepard (M)
Against the Odds by Agentweapon Proelium-Tempus reviews
The Insurrection killed millions, but Humanity recovered. The Human-Flood War killed billions, but Humanity prevailed. Humanity again stands alone in the face of both persistent and threatening rivals. They are outnumbered and outgunned and are against tenacious opposition, but then again, Humanity has always had the ability for surviving the impossible. Heavy AU
Crossover - Halo & Mass Effect - Rated: T - English - Suspense/Humor - Chapters: 5 - Words: 21,745 - Reviews: 92 - Favs: 465 - Follows: 636 - Updated: 11/28/2016 - Published: 8/20/2016 - Master Chief/John-117, OC, Shepard (F), Illusive Man
The Sum is Greater than its Parts by Maersikai reviews
Having long since combined forces, a fleet of the Humans and Covenants finest are torn from the universe they know to be thrown in to a strange and desolate reality. They will strive to uphold the Mantle against the Mass Effect's most Ancient Enemy. Will they break the cycle?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 19 - Words: 181,564 - Reviews: 341 - Favs: 1,031 - Follows: 1,265 - Updated: 11/26/2016 - Published: 3/2/2015 - Cortana, Shepard (F)
Land of Heroes: DC Style by Harbinger Of Kaos reviews
This is a varient of my Marvel story, Why? Because it was a voice in my head that would not quit, it pretty much JLU from the very begining, Wheter this this lives after some time you shall decide, but i would like to think that i took the first step.
Crossover - Halo & Justice League - Rated: M - English - Adventure/Sci-Fi - Chapters: 16 - Words: 222,532 - Reviews: 600 - Favs: 1,047 - Follows: 933 - Updated: 11/13/2016 - Published: 1/14/2011 - Master Chief/John-117
Of Metal and Magic by Astronomiae reviews
Blue Team is sent on a scouting mission to an unknown planet rumored to be in Insurrectionist space. They're expecting many things, like humans, advanced tech, and strange wildlife, but not these black monsters, magic, and... gigantic mechashift weapons? Rated T for language.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 54,716 - Reviews: 52 - Favs: 82 - Follows: 115 - Updated: 10/28/2016 - Published: 7/21/2016 - Master Chief/John-117, Linda-058, Ruby R., Blake B.
The Halo Effect by Agentweapon Proelium-Tempus reviews
The UNSC dispatches a small task force to investigate an artefact with origins not of the Orion Arm. The Citadel Races, including the Systems Alliance, are in for an eye opener when two new players in galactic prowess are not only technologically superior but also not bound by the Element Zero and its constraints. Rated T for reasons. AU in both Halo and ME events.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 16 - Words: 50,729 - Reviews: 373 - Favs: 1,220 - Follows: 1,549 - Updated: 9/26/2016 - Published: 8/6/2015 - Master Chief/John-117, OC, Shepard (F)
Halo: Pandora by Peacekeeper 37 reviews
The year is 2548. Humanity needs every resource it can get to fight the Covenant. One such planet provides a precious material fueling reactors to power facilities and labs to make weapons. Unfortunately, tensions once again rise between Na'vi and Human as the clans oppose the mining of their home. Master Chief and his team are sent to 'persuade' them otherwise. Time will tell.
Crossover - Halo & Avatar - Rated: M - English - Adventure/Sci-Fi - Chapters: 16 - Words: 63,026 - Reviews: 32 - Favs: 100 - Follows: 112 - Updated: 9/22/2016 - Published: 12/17/2015 - Master Chief/John-117, Jake S., A. Ryder
Infinity by casquis reviews
Space is infinite, but under the right conditions even a galaxy can feel too small.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 8 - Words: 51,961 - Reviews: 253 - Favs: 379 - Follows: 534 - Updated: 8/19/2016 - Published: 10/12/2015
Rite of Reclamation by Glory-To-Our-August-King reviews
15 years after the fall of the Didact, humanity struggles to survive in the wake of the Onslaught: a ruthless attack launched by ancient constructs known as Watchers. In their conquests, they have awakened Adam and the Angels, who now stand poised to wrestle the Mantle from Earth's frail grasp, and bring about mankind's Final Judgment.
Crossover - Evangelion & Halo - Rated: T - English - Sci-Fi - Chapters: 17 - Words: 209,109 - Reviews: 34 - Favs: 48 - Follows: 49 - Updated: 7/27/2016 - Published: 5/19/2015
Through the Timestream by Romans-154 reviews
No longer active. Please read 'The Deep Black'.
Crossover - Halo & Destiny - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 79,902 - Reviews: 76 - Favs: 138 - Follows: 151 - Updated: 7/27/2016 - Published: 12/28/2014 - Master Chief/John-117, Exo
Shadow Contingency by Andrithir reviews
As the war against the Covenant takes another turn, humanity must confront a wider galactic community beyond the known regions. (Currently being reworked and edited 20/03/2017) New version posted as Shadow Contingency (v2) - (10/06/2019)
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 55,400 - Reviews: 72 - Favs: 252 - Follows: 298 - Updated: 7/1/2016 - Published: 7/15/2015 - Master Chief/John-117, Shepard (F)
Halo: The Unexpected Quest by Dinosaur Mercenary reviews
Master Chief and Arbiter took an unlikely mission in Middle-earth after the events of Halo 3.
Crossover - Halo & Hobbit - Rated: T - English - Adventure/Sci-Fi - Chapters: 21 - Words: 40,415 - Reviews: 24 - Favs: 46 - Follows: 31 - Updated: 5/5/2016 - Published: 10/18/2014 - Master Chief/John-117, Arbiter, Cortana, Gandalf - Complete
Wings of the Chief by schmida reviews
After the fight with the Didact some random events propel the Chief into a new adventure. Will the Chief be able to cope with the events to come and maybe discover a new side of himself.
Crossover - Halo & Sekirei - Rated: M - English - Hurt/Comfort/Romance - Chapters: 10 - Words: 48,574 - Reviews: 146 - Favs: 386 - Follows: 454 - Updated: 4/29/2016 - Published: 7/14/2015 - Master Chief/John-117, No. 04/Karasuba, No. 03/Kazehana, No. 02/Matsu
Forget your fears by MightyMiget reviews
A man lying in a green casket. The boy scared of being alone. That girl who wants to be loved. Come together players; the fate of the world is in your hands. Will you let it drown? **6/14/16 On hold until I find a beta reader
Crossover - Evangelion & Halo - Rated: T - English - Chapters: 9 - Words: 45,301 - Reviews: 25 - Favs: 37 - Follows: 51 - Updated: 3/15/2016 - Published: 12/21/2015 - Shinji I., Rei A., Asuka L. S., Master Chief/John-117
RWBY:Spartan Assualt V2 by Hazzamo reviews
The Master Chief and Cortana find themselfs in a strange world after the Dawn crashes, a world filled with giant killer monsters that want to destroy everything human... Just another day at the office for John-117.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 13 - Words: 20,734 - Reviews: 251 - Favs: 457 - Follows: 545 - Updated: 2/13/2016 - Published: 2/26/2014 - Master Chief/John-117, Cortana, Ruby R., Yang X.L.
Spartan-L'Cie 117 by senselessgrinder reviews
Finding himself on new world with magic of all things was the least of John's worries. He was on a timer, fulfill his Focus and become crystal or fail and become Cie'th. Neither is a very bright outcome for John. So he'll find a way to defy his Focus and survive or die trying. But first, he has to make sure the mismatched group he's apart of doesn't rip itself apart.
Crossover - Halo & Final Fantasy XIII - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 13,080 - Reviews: 31 - Favs: 55 - Follows: 68 - Updated: 11/8/2015 - Published: 2/12/2015 - Master Chief/John-117
Dawn by NovaTyrant reviews
The Master Chief finds himself stranded on a strange new world filled with odd new allies and deadly new enemies. As he attempts to find a way back home, dark forces begin their quest for utter domination, content with the knowledge that nothing from their world can stop them. Rated T for light swearing, relationships, and mild violence.
Crossover - Halo & League of Legends - Rated: T - English - Adventure/Friendship - Chapters: 49 - Words: 224,294 - Reviews: 292 - Favs: 441 - Follows: 410 - Updated: 10/4/2015 - Published: 7/28/2014 - Master Chief/John-117
Souls of Steel: Resurrection by Theonewhodidnotdoit reviews
The Dawn never found Requiem. Cortana is forced to make a great sacrifice, leaving the Master Chief alone in space. Hundreds of years later, the wreck is discovered on the fringes of inhabited space by bounty huntress Samus Aran. What she finds inside is neither man nor machine, but either way, it is broken... and yet it is strong. Part 1 in a trilogy. Complete, awaiting Part 2.
Crossover - Metroid & Halo - Rated: T - English - Sci-Fi/Friendship - Chapters: 13 - Words: 52,468 - Reviews: 304 - Favs: 537 - Follows: 584 - Updated: 9/13/2015 - Published: 4/20/2014 - Samus A., Adam M., Master Chief/John-117 - Complete
Land of Heroes by Harbinger Of Kaos reviews
This is my attempt at Halo cross, please respect the fact that i am not entirely familiar with this universe, in which universe Marvel or DC it begins in is entirely up to me and you, so with that said lets begin, there will be strong language and gore.
Crossover - Marvel & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 16 - Words: 215,322 - Reviews: 683 - Favs: 1,204 - Follows: 1,111 - Updated: 8/20/2015 - Published: 12/15/2010 - Master Chief/John-117
The Lost Get Found by mcknight93 reviews
Takes place in the beginning of Tomb Raider Legend. Lara Croft is traveling the world to figure out what happened to her mother. With the 'Forward Unto Dawn' crashed, the Master Chief and Cortana are trying to find their way back home to their reality. Perhaps if the Tomb Raider meets the Spartan-II, they could find just what they are looking for.
Crossover - Tomb Raider & Halo - Rated: M - English - Adventure/Supernatural - Chapters: 7 - Words: 27,346 - Reviews: 157 - Favs: 256 - Follows: 334 - Updated: 8/12/2015 - Published: 7/15/2011 - Lara Croft, Master Chief/John-117
From Hell To Hell by mcknight93 reviews
Set around the beginning of Mass Effect 2 timeline, the Normandy SR-2 finds the Forward Unto Dawn. How will the Mass Effect universe change when the Master Chief is involved? All chapters have been rewritten and reposted with much improvements. The awesome picture rightfully belongs to: KnytGrey on deviantart.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 92,691 - Reviews: 339 - Favs: 805 - Follows: 891 - Updated: 8/12/2015 - Published: 7/9/2011 - Master Chief/John-117, Shepard (M)
The Joining of Worlds-Part 1: No, I think were just getting started by Jaye Wolf reviews
Cortana and The Master Chief float aimlessly through space. What happens when a foe turned friend tells Cortana about the world they left behind. A Human/Covenant unity called the Systems Alliance, the wonders of their technology, and the discovery of a Prothean Archive on Mars. This new ally also speaks of another group of races under the banner of the Citadel Council.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 32,913 - Reviews: 86 - Favs: 301 - Follows: 409 - Updated: 8/7/2015 - Published: 7/24/2015 - Master Chief/John-117, Cortana, Shepard (F), Shepard (M)
The Duel by guest with a lot of ideas reviews
Spartan 117 has survived the battle with the Didact. His body will heal, his mind is more questionable. But before that can begin, he has to deal with the new Spartans that have emerged since his disappearance. How will the Master Chief deal with the Spartan IV's.
Halo - Rated: T - English - Adventure - Chapters: 1 - Words: 5,574 - Reviews: 7 - Favs: 75 - Follows: 24 - Published: 7/23/2015 - Master Chief/John-117, S. Palmer - Complete
Lost Legacy by Andrithir reviews
There are stories about them, myths and legends of once majestic species overseeing the galaxy and exploring into the space that lay beyond. There were stories about them, tales of faded past. Humanity's missing link. (Rewrite Chapters 1 to 3 now posted) COMPLETED. Rewrites are on hiatus.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 67 - Words: 328,897 - Reviews: 1631 - Favs: 1,421 - Follows: 1,319 - Updated: 2/20/2015 - Published: 10/8/2011 - Master Chief/John-117, Shepard (F) - Complete
Noble Spartans, Noble Heroes by free man writer reviews
A new team arrives in the Marvel universe. as they arrive new and more large scale plans begin to unfold from both universes, pushing this team to new breaking points. will they hold on or is this their final mission as Spartans. Dark World Arc right now, next up, Winter Soldier. Oh and abandoned, sorry dudes
Crossover - Marvel & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 18 - Words: 253,059 - Reviews: 411 - Favs: 545 - Follows: 484 - Updated: 2/19/2015 - Published: 2/21/2013 - Master Chief/John-117, Cortana, Carter-A259/Noble One, SPARTAN-B312/Noble Six
The Onyx Stars by The Hidden Sith reviews
A lost ship, a lost warrior, and a lost mind find themselves stranded in an unknown world. Full of vast wonders, threats, and opportunities, this new world is an unknown element for a crew accustomed to war and hardship. But, all Edens fall and beyond the embers of war lay the dawn of victory. Halo/Mass Effect AU John/Cortana, Lasky/Palmer
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 16 - Words: 143,775 - Reviews: 470 - Favs: 800 - Follows: 936 - Updated: 1/22/2015 - Published: 12/9/2012 - Master Chief/John-117
Blue Team by ArcAnge1 I4 reviews
The SPARTAN-IIs. Trained child soldiers. At the age of fourteen they underwent augmentation procedures. Afterwards the ones that survived underwent even tougher training, and in an effort to make sure they could wage war. 14-year old Spartan Trainees John-117(The Master Chief), Kelly-087, Fredric-104, and Linda-058 are pulled straight into a strange new world. [Discontinued]
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 25,800 - Reviews: 70 - Favs: 138 - Follows: 176 - Updated: 1/1/2015 - Published: 2/21/2014 - Master Chief/John-117, Fred-104, Ruby R., Yang X.L.
Tempus ad Reclaimer: Splintered Humanity by zekebomb reviews
Humanity is at a Golden Age of society, with all bigotry and racism removed and scientific marvels are steadily discovered and recovered from the past. All three sects of man have been found and joined after the seeds were spread across the stars by the Forerunners. However and new threat arrives to threaten the peace. AU. Rated M for all the right reasons.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 40,328 - Reviews: 97 - Favs: 328 - Follows: 388 - Updated: 12/23/2014 - Published: 12/22/2013 - Master Chief/John-117, Shepard (M), Shepard (F), OC
Inheritance: The Mantel's Challenge by Reaper VF6 reviews
It has been 40 years since the Great War ended the UNSC has faced and defeated numerous threats. They are the inheritors of the Mantel and the Forerunners have challenged them to claim. Set in Mass Effect 1, it shows the UNSC reconciling with the Systems Alliance, the Citadel Council, and the Reapers as the UNSC and its Allies, the Imperium try to claim and uphold the Mantel.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 45,059 - Reviews: 114 - Favs: 297 - Follows: 354 - Updated: 12/11/2014 - Published: 9/14/2013 - OC, Master Chief/John-117, Admiral Hackett, Shepard (M)
Commander in Chief by Eclipse-Luna reviews
Commander Shepard has stopped the Prothean slaves, the Collectors. Meanwhile, The Master Chief and Cortana stop the Didact from destroying humanity and pay the price of heroism. Death, or do they? How will Chief and Cortana react with this different past, while holding their secrets close. Post ME2/Post H4
Crossover - Mass Effect & Halo - Rated: T - English - Sci-Fi - Chapters: 17 - Words: 51,577 - Reviews: 106 - Favs: 113 - Follows: 138 - Updated: 11/2/2014 - Published: 9/18/2013 - [Tali'Zorah, Shepard (M)] Master Chief/John-117, Cortana - Complete
High School DxD: Spartans X Dragons by Sonicfanx1 reviews
Teleportation. Not John's favorite method of travel, but when a teleportation procedure get's interrupted, Spartan-117 get's stranded in an entirely different timeline. How would one of humanities' greatest fare in a Japanese high school that just recently become co-ed and fight against the forces of evil...and good?
Crossover - Halo & High School DxD/ハイスクールD×D - Rated: M - English - Adventure/Humor - Chapters: 7 - Words: 69,630 - Reviews: 81 - Favs: 259 - Follows: 263 - Updated: 10/31/2014 - Published: 4/7/2013 - Master Chief/John-117
Blood of West and East by Composer777 reviews
(Sequel) He had always known that the galaxy was strange. Once he had been a simple soldier, trained how to fight above all else. But his experiences have changed him, potentially forever. He realises that life is more complex than he could have ever imagined. What is more, he knows that there are stranger things than Flood and Forerunners out there, amongst the glistening stars.
Crossover - Lord of the Rings & Halo - Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 17,456 - Reviews: 74 - Favs: 114 - Follows: 136 - Updated: 10/9/2014 - Published: 3/6/2014 - Aragorn, Boromir, Master Chief/John-117
Lord of the Rings: The Spartan Prophecy by So-Pro Warrior reviews
It has been four years since the Battle of the Ark. The Forward Unto Dawn crash lands onto a unknown world and onboard the Dawn. The SPARTAN John-117 better known as Master Chief awakens from his sleep. He soon finds himself on a strange new world with only his old AI partner Cortana by his side. However he will soon discover that it was not chance that brought him here. But fate.
Crossover - Lord of the Rings & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 131,910 - Reviews: 218 - Favs: 454 - Follows: 326 - Updated: 9/6/2014 - Published: 4/7/2013 - Aragorn, Master Chief/John-117 - Complete
Mass Effect X Halo Spartan Dawn by Freedom Guard reviews
Yet another creation of mine to help ease my mind, I hope that everyone does not mind seeing this one. I know there are a lot of crossover with Mass Effect and Halo, but no sense not trying a bit of it in my free time. Story on Ice, Updating all NON Halo stories is priority now.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 233,980 - Reviews: 913 - Favs: 1,365 - Follows: 1,244 - Updated: 8/27/2014 - Published: 10/8/2010 - Master Chief/John-117
What if 117? HP Variant by Mandalore Requiem reviews
A child's early years are the most crucial to their development. So what happen when an unlikely father takes in an ill-treated child? One thing is for certain. It's a hell of a lot better than living in the cupboard under the stairs at 4 Privet Drive.
Crossover - Harry Potter & Halo - Rated: M - English - Adventure/Family - Chapters: 2 - Words: 12,718 - Reviews: 27 - Favs: 140 - Follows: 176 - Updated: 7/30/2014 - Published: 7/24/2013
N-117 by jcrighter reviews
After going through the Forerunner Interstellar Bridge and defeating Saren together, Chief and Shepherd must find the Focus Icon and the second Bridge. Only problem is that the Collectors have the Icon in their base. Chief must help Shepherd assemble a team strong enough to travel through the Omega-4 Relay if he ever hope of finding the Icon and returning home.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 15,004 - Reviews: 11 - Favs: 38 - Follows: 50 - Updated: 7/28/2014 - Published: 7/18/2014 - Master Chief/John-117, Cortana, Shepard (M)
The Star and the Spartan by Composer777 reviews
There's an old saying amongst the UNSC: "Spartans never die. If they disappear, they're just missing in action!" Everyone on planet earth knows this is a lie, but find comfort in it regardless. Content to believe that immortal guardians are watching over them. And in time, a rag-tag group of beings will see that man is capable of things they could never have imagined possible.
Crossover - Lord of the Rings & Halo - Rated: T - English - Adventure/Friendship - Chapters: 26 - Words: 96,915 - Reviews: 80 - Favs: 247 - Follows: 180 - Updated: 7/20/2014 - Published: 9/30/2013 - Frodo B., Boromir, Master Chief/John-117 - Complete
Halo and Hogwarts Book 1: Master Chief and the Philosopher's Stone by TimeLordSPARTAN reviews
Master Chief didn't just get trapped away from Earth, he was sent back in time. Now, the Dawn has drifted back to Earth, John and Cortana become Harry Potter's siblings, and The Flood is biding its time before its return. Can John, Harry and Cortana defeat both Voldemort and The Flood? Based on JK Rowling's Harry Potter and the Philosopher's Stone. Also a Maximum Ride crossover.
Crossover - Harry Potter & Halo - Rated: M - English - Fantasy/Sci-Fi - Chapters: 12 - Words: 18,975 - Reviews: 36 - Favs: 70 - Follows: 80 - Updated: 6/21/2014 - Published: 5/4/2014 - Harry P., Hermione G., Master Chief/John-117, Cortana
Of Turtles and Spartans by Koriat Cyredanthem reviews
What if the Slipspace rupture that tore the Forward Unto Dawn in half bent time and space? When they meet the turtles, John starts to realize just what he missed in life, growing up as a child soldier and being a warrior all his life. Is it ironic that it takes the friendship of a different species to make the Spartan feel human? [Please review!]
Crossover - Ninja Turtles & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 30,792 - Reviews: 22 - Favs: 56 - Follows: 56 - Updated: 6/12/2014 - Published: 12/17/2013 - Leonardo, Donatello, Master Chief/John-117, Cortana
The Reclaimer from the Heavens by N0W 0R N3V3R reviews
The Reclaimer is thrust into a world his instructors never knew existed, on a journey to discover his origins, and what makes him so special. [Most likely a one shot. Trying to get ideas to stop running wild in my head so I can concentrate on my previous entries.]
Crossover - Halo & Percy Jackson and the Olympians - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,649 - Reviews: 11 - Favs: 22 - Follows: 19 - Published: 6/10/2014
The Dawn's Legacy by lethalassistant reviews
"The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth." ― Niels Bohr/ Set after the events of Halo 3 the Dawn is found adrift in space by a UNSC vessel. After retrieving chief and his A.I companion they return back to earth to find it different then the one they left. Rating may change in the future.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 27,871 - Reviews: 80 - Favs: 122 - Follows: 180 - Updated: 6/9/2014 - Published: 12/1/2012
A Whole New War by Epic Zealot Productions reviews
Inspired by The Reclamation Has Begun. The summary is in the prologue: Peace comes after war, and War returns before old wounds can be healed. There is a little AU in this fic, Chapter 3 is a work in progress. Chief x Parisa, Lasky x Palmer, and M!Shepard X Ashley.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 10,339 - Reviews: 20 - Favs: 50 - Follows: 72 - Updated: 5/13/2014 - Published: 1/22/2014 - [Shepard (M), Ashley W.] Master Chief/John-117
The Only Way is Forward by BlindKnight reviews
When a mysterious portal appears at the edge of the Oort Cloud in space, a UNSC fleet is dispatched, only to find themselves in a completely different universe where yet another ancient Galactic threat is upon them. Post Halo 4, ME1.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 5 - Words: 11,388 - Reviews: 64 - Favs: 245 - Follows: 335 - Updated: 5/3/2014 - Published: 1/26/2014
A heros legacy by rkraptor70 reviews
Masterchief wakes up after his long cryo sleep only to learn that everything he once fought for is now history. UNSC, Covenant everything. Can he once again become the humanity's greatest hero or someone else will carry his legacy?
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 6 - Words: 26,656 - Reviews: 62 - Favs: 123 - Follows: 164 - Updated: 4/21/2014 - Published: 10/31/2011
The Heirs to the Mantle by AnomynousMember117 reviews
For John, it seems like his adventure is finally over, the Insurrectionists gone, the Covenant disbanded, the Flood wiped out. However, during a diplomatic talk on Sanghelios, trouble arises that brings the duo, and the UNSC Infinity to a new planet. There, they meet new allies and find new foes, as they are dragged yet again into a war between identities.
Crossover - Halo & Inheritance Cycle - Rated: T - English - Adventure/Sci-Fi - Chapters: 27 - Words: 99,427 - Reviews: 150 - Favs: 103 - Follows: 118 - Updated: 1/1/2014 - Published: 1/9/2013 - Master Chief/John-117, Eragon S.
The Supernovas of Mass Effect by Blindluck92 reviews
First fic, and part of my overall Supernovas theme. Takes place in ME1, with concepts from the book Pendragon, and characters from inFAMOUS, Prototype, and Halo, among others. Much, much better than it sounds. Rated M for later chapters. If you like, I'll continue! AUTHOR'S NOTE: Completely unrelated to the Eleven Supernovas of One Piece. NOW COMPLETE! Sequel is out!
Crossover - Mass Effect & inFAMOUS - Rated: M - English - Adventure/Sci-Fi - Chapters: 48 - Words: 297,120 - Reviews: 346 - Favs: 294 - Follows: 209 - Updated: 12/21/2013 - Published: 1/31/2013 - Cole MacGrath - Complete
World of Warcraft Halo by Freedom Guard reviews
As the title states, this is a crossover with WOW and Halo, The Master Chief is now in Azeroth, how will the Alliance and the Horde deal with a warrior from the Stars and his A.I Companion? Story is now being Thawed slowly...
Crossover - Warcraft & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 21 - Words: 344,023 - Reviews: 680 - Favs: 1,051 - Follows: 837 - Updated: 12/19/2013 - Published: 5/21/2010 - Master Chief/John-117
Halo: The Clone Wars Crisis by kylelee117 reviews
This is an idea I've had for a long time and now I'm making it. This story is a Halo/Star Wars/Marvel crossover. It has been a number of years and The Dawn has been dormant during this time and the mighty frigate is only half intact. But like its only Human survivor it was made to take hits and dish them out, but all else it was built to survive. Story Currently Being Rewritten
Crossover - Star Wars & Halo - Rated: T - English - Chapters: 7 - Words: 47,015 - Reviews: 35 - Favs: 75 - Follows: 76 - Updated: 9/30/2013 - Published: 2/1/2012 - Master Chief/John-117
What if 117? JLU Variant by Mandalore Requiem reviews
Earth is safe. Its greatest persecutors defeated by the most faithful of protectors. But what if the ends yielded a different outcome? How will THIS Earth and its mightiest heroes react to UNSCDF's BEST and LUCKIEST operating in their backyard?
Crossover - Halo & Justice League - Rated: M - English - Adventure/Romance - Chapters: 2 - Words: 12,973 - Reviews: 94 - Favs: 253 - Follows: 248 - Updated: 7/24/2013 - Published: 5/22/2013
Intertextus by aaron vig reviews
Shepard had seen that the Reapers were coming, then the Heretics and the mercenary armies now sent to stop her. But she never could have predicted the other-world power and opportunity she'd be given... by Cortana and the Master Chief. Mass Effect/Halo
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 81,220 - Reviews: 368 - Favs: 698 - Follows: 795 - Updated: 7/16/2013 - Published: 5/5/2010 - Master Chief/John-117, Shepard (F)
Men of War: Ultimate by EZB reviews
The Chief and the Gears are back! Following the events of Halo 3, The Master Chief lands on the war-torn planet of Sera. With a new world and war to sink his teeth into, the Spartan must join ranks with the notorious Gears of War to fight for humanity.
Crossover - Halo & Gears of War - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 56,252 - Reviews: 131 - Favs: 210 - Follows: 212 - Updated: 6/19/2013 - Published: 8/21/2010 - Master Chief/John-117, Cortana, Dominic S., Adam F.
Visitor by WARLOCK2552 reviews
Someone from the stars has come to their world. His arrival may have unforseen consequiences. Cross over with HALO.
Crossover - Halo & Avatar: Last Airbender - Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 47,567 - Reviews: 112 - Favs: 176 - Follows: 186 - Updated: 6/18/2013 - Published: 7/3/2012 - Master Chief/John-117
The End of Time by Metal4k reviews
The Flood, the worst threat any civilization has ever faced, has returned. With their galaxies destroyed, Commander Shepard and John 117, find themselves in a galaxy far far away. Will the Republic believe these new comers? Can they unite before its to late? As the Universe's secrets unfold, the Flood is revealed to be worse than anyone ever imagined...
Crossover - Mass Effect & Halo - Rated: T - English - Horror/Sci-Fi - Chapters: 6 - Words: 36,536 - Reviews: 58 - Favs: 59 - Follows: 71 - Updated: 4/23/2013 - Published: 11/25/2012
Awakening by 11092889 reviews
My own go at a Halo-Mass effect crossover. including a Female commander Shepard, Master chief, Cortana and a rather underused Spartan, Linda-058. I plan to go from about mid way though mass effect 2 up to the end of mass effect 3. So, Spoilers abound. dropping by, having a read and leaving a review would be much appreciated. Rating may change later on but no solid plans as of yet.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 2 - Words: 11,357 - Reviews: 94 - Favs: 180 - Follows: 273 - Updated: 4/11/2013 - Published: 4/8/2013 - Master Chief/John-117, Cortana, Linda-058, Shepard (F)
Daybreak's Bell by Kraven Ergeist reviews
Post Halo 4 - The UNSC Infinity has found Installation 01. As the Master Chief explores its ruins, he comes across a Forerunner artifact that lets him commune with the Librarian. What secrets lie within these ancient ruins? What plans does the Librarian have in store for the Chief? And who is this mysterious new Promethean who comes to his aid? Chief x Cortana :: COMPLETE!
Halo - Rated: T - English - Drama/Adventure - Chapters: 13 - Words: 90,916 - Reviews: 436 - Favs: 590 - Follows: 345 - Updated: 4/8/2013 - Published: 11/11/2012 - [Cortana, Master Chief/John-117] - Complete
Shinji 108 by SamJaz reviews
2004: Shinji Ikari entered the Spartan Mk. II program. 2015: Spartan-108 becomes the Green Ranger and is working for NERV to defeat the angels. Halo/PowerRangers/Eva crossover. Thought I'd mix things up a little.
Crossover - Evangelion & Halo - Rated: T - English - Adventure - Chapters: 14 - Words: 74,847 - Reviews: 58 - Favs: 68 - Follows: 51 - Updated: 3/26/2013 - Published: 8/1/2010 - Shinji I., Master Chief/John-117
Flames of War by ICHeart reviews
The USF...founded in the ashes of the Great War has spent years rebuilding. They are inheritors of the Forerunners and are ready to take hold of the Mantel...but first they have to deal with another Galactic Superpower. However, dark forces gather as these two groups fight to gain control of the Galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 33,471 - Reviews: 224 - Favs: 436 - Follows: 501 - Updated: 3/2/2013 - Published: 11/19/2012 - Master Chief/John-117, Shepard (M)
Of Gods and a Demon Revamp by pr0binz043 reviews
Continuing the story 'Of Gods and a Demon' by TheLastHuman, this is my first fanfic so please take it easy on me.
Crossover - Halo & Percy Jackson and the Olympians - Rated: T - English - Adventure/Fantasy - Chapters: 23 - Words: 51,483 - Reviews: 181 - Favs: 229 - Follows: 163 - Updated: 1/4/2013 - Published: 6/19/2011 - Master Chief/John-117, Percy J. - Complete
Turn of the Tides by Captiosus reviews
After the extinction of the Flood, the Chief and company find themselves in a new world, where the rules have changed and magic is real. New allies, new enemies, and more bloodshed than you can shake a stick at! Halo x Inheritance Cycle
Crossover - Halo & Inheritance Cycle - Rated: T - English - Sci-Fi/Adventure - Chapters: 6 - Words: 49,056 - Reviews: 176 - Favs: 156 - Follows: 171 - Updated: 12/25/2012 - Published: 3/13/2011 - Master Chief/John-117, Eragon S.
Justice League: Spartan Alliance by Freedom Guard reviews
Here we are...the second of my new Halo crossover ideas...and like before will not be updated as frequently. I'll leave it here and see how it fairs against the others okay? No planned pairings as of yet, will change when decision is made. Story is now on Ice, updating all NON Halo stories is priority one.
Crossover - Halo & Justice League - Rated: M - English - Sci-Fi/Adventure - Chapters: 15 - Words: 189,881 - Reviews: 541 - Favs: 889 - Follows: 704 - Updated: 9/3/2012 - Published: 1/23/2011 - Master Chief/John-117
G I Joe Halo by Freedom Guard reviews
The Forward Unto Dawn arrives at Earth, but it's not the Earth where the UNSC exists, but there are two organizations worth meeting. How will the Joes and Cobra deal with the arrival of one UNSC A.I and a Spartan II? Story on Ice due to updating of NON Halo stories.
Crossover - G. I. Joe & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 202,348 - Reviews: 630 - Favs: 732 - Follows: 584 - Updated: 8/19/2012 - Published: 1/1/2010 - Master Chief/John-117
Fallout: Hope from Beyond the Stars by Freedom Guard reviews
Here is the prologue of my first Fallout Halo crossover, no plans as of yet on how this will play out, so it's not going to be updated any time soon. Second chapter is out for the day. Story on Ice due to updating of NON Halo stories.
Crossover - Fallout & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 83,901 - Reviews: 220 - Favs: 425 - Follows: 370 - Updated: 8/19/2012 - Published: 12/29/2010 - Lone Wanderer, Master Chief/John-117
Ancient Hounds of War by Vixen Tail reviews
The answer to a challenge by one of my readers. Out running a trio of Covenet ships, the crew of the UNSC Valiant jumps to slipspace three miles from the event horizon of a black hole. Jedi Knight Obi-Wan Kenobi is the first to find them.
Crossover - Star Wars & Halo - Rated: M - English - Chapters: 6 - Words: 61,986 - Reviews: 171 - Favs: 481 - Follows: 524 - Updated: 7/4/2012 - Published: 11/9/2011 - Obi-Wan K., Master Chief/John-117
Sword of Change by Tscorpio1701 reviews
The Chief has been asleep for over a decade, he wakes up to an old enemy and finds a way home and a new sword for the UNSC. What will happen when Humanity finds that the galaxy is even larger and more diverse than they belived possible?
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 46,365 - Reviews: 172 - Favs: 325 - Follows: 361 - Updated: 5/5/2012 - Published: 5/6/2010 - Master Chief/John-117
No Rest for the Weary by RNG-ERROR reviews
John-117 sent to the StarCraft Universe, Full Summary inside. Notice this is NOT abandoned. Until I can afford a new computer however it will not be updated.
Crossover - StarCraft & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 5 - Words: 33,524 - Reviews: 68 - Favs: 140 - Follows: 178 - Updated: 2/20/2012 - Published: 2/4/2012 - Nova, Master Chief/John-117
Halo: Here we go Again! by 144MeditantLight reviews
more than just a simple HaloME. please do not stare directly at the pseudoscience, it's a good way to go blind. expect epic naval battles, swearing marines, and general havoc, chaos and mayhem as worlds and races collide in a fight for survival.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Drama - Chapters: 5 - Words: 15,846 - Reviews: 27 - Favs: 63 - Follows: 70 - Updated: 11/12/2011 - Published: 10/6/2011
Into the Black, Forever Free by Akoro88 reviews
Mal and the crew make an interesting find while on an illegal salvage. A squad of ODST's gets stuck in a slip stream portal from the Ark while on a mission looking for the Chief. When they drop from slip space, whats waiting will test them to the limit.
Crossover - Halo & Firefly - Rated: T - English - Adventure/Friendship - Chapters: 11 - Words: 79,936 - Reviews: 284 - Favs: 393 - Follows: 451 - Updated: 11/9/2011 - Published: 8/27/2009 - Master Chief/John-117, Mal
Halo and JLU: A New Fight by Andrithir reviews
Master Chief finds himself in an alternate reality, the JLU universe, A New Fight begins. Disclaimer: I do not own the Halo series or Justice League. Post Halo 3 non-canon story. Halo 4 is coming out in 2012, there's a debut trailer already
Crossover - Halo & Justice League - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 53,577 - Reviews: 83 - Favs: 237 - Follows: 211 - Updated: 8/13/2011 - Published: 3/12/2011 - Master Chief/John-117
Resurrection by J.B. Writer reviews
Shepard, Six, and co attempt to pick up a legendary soldier from the Forward Unto Dawn. They arrive too late, a frozen Master Chief being the hottest commodity in the galaxy. When the Collectors appear things change, a new enemy rises for all to face.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 66,708 - Reviews: 202 - Favs: 155 - Follows: 136 - Updated: 4/2/2011 - Published: 11/7/2010 - Master Chief/John-117
Red In Tooth And Claw by JA Baker reviews
When the crew of Galactica encounters the remains of the Forward Unto Dawn, life starts to get a lot more complicated for all involved, including an old enemy...
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 60 - Words: 139,295 - Reviews: 1577 - Favs: 1,229 - Follows: 926 - Updated: 3/13/2011 - Published: 2/12/2008 - [Master Chief/John-117, Cortana] - Complete
Halo: Cylon War by Redrover117 reviews
This is Spartan 117...I am alive...I have defied gods and demons. I am humanity's shield and its sword. The world has ended and the fight for humanity's survival has begun again.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 19 - Words: 48,049 - Reviews: 207 - Favs: 375 - Follows: 243 - Updated: 12/16/2010 - Published: 7/31/2010 - Master Chief/John-117 - Complete
Return of the Reclaimer by wilkins75 reviews
Two years ago an Alien Ship was found and moved to a secret military base. On board was a person of unknown origins in armor frozen in time. Cylons are now preparing for their attack on the 12 Colonies of Man unaware of what is nearby watching.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 63,448 - Reviews: 345 - Favs: 490 - Follows: 278 - Updated: 8/30/2010 - Published: 5/19/2010 - Master Chief/John-117 - Complete
Halo: Rapture by KTHM reviews
Halo/BioShock Crossover. After the Arc the Chief thought all his missions were over. Then he finds himself trapped in a mysterious city with insane residents. Now he must escape with the help of an odd group survivors and uncover the mystery of Rapture.
Crossover - Halo & BioShock - Rated: M - English - Sci-Fi - Chapters: 44 - Words: 164,195 - Reviews: 143 - Favs: 159 - Follows: 106 - Updated: 8/4/2010 - Published: 11/15/2008 - Master Chief/John-117
Negima! Void Callers Chronicle by Zeioinsanity reviews
What would happen if you placed the Master Chief in the Negima! universe in a 15 year old body? Awesomeness that's what! Crossover madness awaits! -discontinued-
Crossover - Halo & Negima! Magister Negi Magi/魔法先生ネギま! - Rated: T - English - Adventure/Humor - Chapters: 10 - Words: 49,600 - Reviews: 48 - Favs: 65 - Follows: 63 - Updated: 6/22/2010 - Published: 10/21/2009
Men of War by EZB reviews
Starts right where Halo 3 left off. Chief is tossed into a new conflict on a new planet. What changes will the Master Chief bring to the struggling war of Sera? X-over with Gears of War
Crossover - Halo & Gears of War - Rated: M - English - Sci-Fi/Adventure - Chapters: 37 - Words: 120,181 - Reviews: 366 - Favs: 425 - Follows: 289 - Updated: 6/21/2010 - Published: 12/6/2007 - Master Chief/John-117, Marcus F. - Complete
VanDread Halo by Freedom Guard reviews
The war with the Covenant and the UNSC is over...but an accident has changed the fates of one UNSC Spartan and a UNSC AI, as they are now in a new conflict and a new path in life.
Crossover - Halo & Vandread - Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 307,162 - Reviews: 210 - Favs: 525 - Follows: 246 - Updated: 3/23/2009 - Published: 10/20/2007 - Complete