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RWBY:Spartan Assault by
Johnnieboy11 reviews
After John-117's battle on board Mantle's Approach, the Spartan finds himself, with Cortana in tow, sent to a different world, where monsters roam the wilds, Humanity is confined to 4 major Kingdoms and where Magic and Tech coexist. The Spartan will soon have to join the ranks of the good guys against a horrid threat, whilst also on the lookout for fellow Spartans.
Crossover - Halo & RWBY - Rated: M - English - Romance/Sci-Fi - Chapters: 50 - Words: 174,751 - Reviews: 198 - Favs: 306 - Follows: 386 - Updated: 16h - Published: 7/8/2018 - Master Chief/John-117, Cortana, Team RWBY, Team JNPR
Service with a Smile by
Coeur Al'Aran reviews
When Jaune's forged transcripts were rebuffed, his only option was to return home in disgrace or forge a new life in Vale. Opening a diner was an impetuous decision, being good at it a stroke of luck. Becoming the favourite haunt for students, teachers and criminals alike� That was neither, but it sure did keep things interesting. Wasn't the civilian life supposed to be easier?
RWBY - Rated: T - English - Romance/Friendship - Chapters: 52 - Words: 352,531 - Reviews: 7121 - Favs: 7,282 - Follows: 8,081 - Updated: 8/27 - Published: 8/8/2017 - Jaune A.
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: 517 - Favs: 1,526 - Follows: 2,072 - 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: 1087 - Favs: 1,193 - Follows: 1,552 - Updated: 8/23 - Published: 3/13/2013
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: 944 - Favs: 1,495 - Follows: 1,966 - Updated: 8/21 - Published: 11/26/2013 - Master Chief/John-117, Cortana, Shepard (F)
Beneath a Broken Moon by
Unseen Lurker reviews
He was a hero, vanquisher of men and beasts, daedra and dragons. But now, Fate calls him elsewhere. How will he fare in this world, so unlike his own? "Wait... are those... rabbit ears?"
Crossover - Elder Scroll series & RWBY - Rated: T - English - Fantasy/Adventure - Chapters: 14 - Words: 81,841 - Reviews: 554 - Favs: 1,852 - Follows: 2,389 - Updated: 8/20 - Published: 10/13/2014 - Dragonborn/Dovahkiin
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: 4,078 - Follows: 4,897 - 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: 505 - Updated: 7/21 - Published: 7/28/2018 - Anakin Skywalker, Obi-Wan K., Master Chief/John-117, Cortana
Roses Born of Dust by
TallYapflip reviews
An ONI Prowler is sent to a small system on the Southern fringes of UNSC space, just along the border with the Sangheili, to investigate strange signals coming from a planet within. He encounters strange situations, strange people, and the strangest world in the galaxy. [White Rose & Bumblebee. Rated "M" For later.] (All Re-writes complete)
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Romance - Chapters: 39 - Words: 214,555 - Reviews: 422 - Favs: 585 - Follows: 664 - Updated: 7/13 - Published: 10/26/2015 - [Weiss S., Ruby R.] [OC, Winter S.]
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: 2,436 - Follows: 3,102 - Updated: 7/12 - Published: 11/30/2015 - Master Chief/John-117, OC, Shepard (F)
The Trials by
xegil reviews
Arbiter awakes in a strange place, surrounded by both familiar and unfamiliar faces.
Crossover - X-overs & Halo - Rated: T - English - Suspense/Adventure - Chapters: 5 - Words: 23,773 - Reviews: 4 - Favs: 12 - Follows: 14 - Updated: 7/6 - Published: 12/11/2016 - Master Chief/John-117, Arbiter, OC
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
Noble Justice by
free man writer reviews
His mission on Reach is over. Now, Noble Six must adjust to a new world filled with heroes and villains where he will walk the grey line between showing mercy, and taking a life. here he will clash with the good and the bad. Beware the Reaper for he is my shadow
Crossover - Halo & Young Justice - Rated: M - English - Adventure - Chapters: 39 - Words: 373,053 - Reviews: 1461 - Favs: 1,671 - Follows: 1,759 - Updated: 6/14 - Published: 6/25/2014 - [SPARTAN-B312/Noble Six, Donna Troy/Troia]
Out of Place by
JC of the Corn reviews
So when messing with a dust experiment, RWBY and JNPR are transported to Earth, only to encounter an eccentric, occassionally drunk fanfiction writer. What will happen? Will the writer retain his sanity? Self insert, Drunken fic OC/Winter I don't own RWBY. If I did, I wouldn't be writing fanfiction. Cover by Kegi Springfield. HIATUS
RWBY - Rated: M - English - Humor/Adventure - Chapters: 119 - Words: 333,737 - Reviews: 1552 - Favs: 853 - Follows: 914 - Updated: 6/13 - Published: 9/17/2016 - [OC, Winter S.] Team RWBY, Team JNPR
Noble Remains by
RustedThunder reviews
As SPARTAN B-312, Noble Six stays behind on Reach. He fights not just for his life, but everyone that called Reach their home. Everyone that is a part of the UNSC. As his body finally gives out from his hours long final stand, he finds himself in a lush, emerald forest.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 17,796 - Reviews: 43 - Favs: 111 - Follows: 165 - Updated: 6/3 - Published: 5/17/2017 - SPARTAN-B312/Noble Six, OC, Ozpin
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: 271 - Favs: 519 - Follows: 691 - Updated: 5/23 - Published: 9/18/2016 - Master Chief/John-117, Cortana, Shepard (F), Tali'Zorah
Accounts of the Flood conflicts by
hunter 139 reviews
A multicrossover series of one-shots depicting several franchises and their encounters with the Flood. I do not own Halo or any other franchises depicted in these stories.
Crossover - Halo & Mass Effect - Rated: T - English - Horror/Sci-Fi - Chapters: 36 - Words: 92,467 - Reviews: 183 - Favs: 121 - Follows: 139 - Updated: 5/18 - Published: 1/15/2015 - Gravemind
The Mantle helps all by
Master Builder reviews
What happens if the Quarians take drastic measures to ensure the continued survival of their species. The Mantle helps all in need and crush the ones who prevent it. Halo/Mass Effect/Transformers/Galaxy on Fire
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 19,274 - Reviews: 177 - Favs: 641 - Follows: 831 - Updated: 4/3 - Published: 5/2/2015 - [Master Chief/John-117, Kelly-087] [Shepard (M), Tali'Zorah]
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: 651 - Follows: 934 - Updated: 3/29 - Published: 7/4/2016 - Master Chief/John-117, Shepard (F)
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: 289 - Follows: 315 - Updated: 3/29 - Published: 1/2/2017 - Anakin Skywalker, Aayla S., Ahsoka T., Rtas 'Vadumee
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: 2,102 - Follows: 2,784 - Updated: 2/21 - Published: 2/21/2017 - Master Chief/John-117, Cortana, Shepard (F), Garrus V.
The Reclaimers from Remnant by
TehArbitur53 reviews
After a mission gone haywire, Team RWBY and JNPR find themselves on a strange ring, in an unknown world. And in the middle of a war, which will decide over the fate of humanity, while a new danger begins to grow in the shadows. (Rated M for language, violence and Flood.)
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi - Chapters: 28 - Words: 160,857 - Reviews: 335 - Favs: 329 - Follows: 389 - Updated: 2/12 - Published: 5/8/2017 - Master Chief/John-117, Cortana, Team RWBY, Team JNPR
Fortune's Disfavored by
SquareBlock reviews
The Chosen Undead thought a trip centuries back in time to the ancient land of Oolacile would be the oddest incident he was ever involved in, yet an encounter with the primordial man sent him to a place beyond his understanding. With a new, shattered moon amongst the stars, he's left searching for a way back to Lordran. He had a destiny to fufill, after all. He was chosen.
Crossover - Dark Souls & RWBY - Rated: M - English - Adventure/Drama - Chapters: 18 - Words: 184,231 - Reviews: 257 - Favs: 590 - Follows: 762 - Updated: 2/11 - Published: 4/20/2018 - Weiss S., Yang X.L., Glynda G.
Remnants New Mercenaries by
TF2 Crossover Man reviews
When teleportation goes wrong in the TF2 world the mercs are sent to Vale and meet up with Team RWBY and JNPR and go with through the many adventures that the Teams go through while adding in their own problems. Can our favorite mercenaries get along with the protectors of Remnant? Not all cannon events will happen, most will be made up. - DISCONTINUED -
Crossover - Team Fortress 2 & RWBY - Rated: T - English - Friendship/Adventure - Chapters: 21 - Words: 122,432 - Reviews: 96 - Favs: 84 - Follows: 85 - Updated: 1/10 - Published: 12/10/2016
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: 3880 - Favs: 3,809 - Follows: 3,840 - 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: 214 - Follows: 250 - Updated: 12/25/2018 - Published: 8/24/2018 - Master Chief/John-117, L. Church/Alpha
The Hero by
RMVthewriter reviews
In his final moments of life, Jaune realizes the truth. Now, back where it all began, he has to relive his whole life with the illusion shattered. COMPLETED.
RWBY - Rated: T - English - Adventure/Hurt/Comfort - Chapters: 30 - Words: 110,068 - Reviews: 251 - Favs: 553 - Follows: 678 - Updated: 12/4/2018 - Published: 6/29/2017 - [Ruby R., Jaune A.] [Weiss S., Blake B.] - Complete
The Not So Green Rookie by
Gamenian reviews
The Rookie tries to make his way back to the UNSC, using any way possible while Dare, Alpha-Nine, and Fireteam Zeus try their best to find him. Rated M for language and violence, basicly everything Bungie's Halo Games were rated M for. (On Hiatus)
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Crime - Chapters: 4 - Words: 5,212 - Reviews: 10 - Favs: 31 - Follows: 49 - Updated: 11/13/2018 - Published: 4/19/2018 - E. Buck, Rookie, OC, Roman T.
Mercs in Remnant by
chief of RAGE reviews
[ALMOST BACK] After the lovable mercs of TF2 defeat the Classic mercs, they're fired for no longer being relevant to Mann Co. business since all three Mann brothers are dead and Hale has control of the company again. So there go our boys, traveling the dusty desert, until something happens that leaves them in a completely new world.
Crossover - Team Fortress 2 & RWBY - Rated: T - English - Humor/Adventure - Chapters: 75 - Words: 463,521 - Reviews: 1461 - Favs: 624 - Follows: 633 - Updated: 11/9/2018 - Published: 8/7/2016
Rifts Between Worlds by
chief of RAGE reviews
[Original Chapters Reinserted, Story Renamed] A different take on the original MIR. A somewhat more serious approach as opposed to the original. When the mercenaries are warped to the world of Remnant, they're left wondering where they are and how they can get back. While they scrape by, dark disturbances rumble in the void between worlds...
Crossover - Team Fortress 2 & RWBY - Rated: T - English - Adventure/Humor - Chapters: 15 - Words: 83,957 - Reviews: 389 - Favs: 301 - Follows: 360 - Updated: 11/9/2018 - Published: 8/25/2017
RWBY: Remnants of Another World (DISCONTINUED) by
The Quebec reviews
This series may be over, though you can still read the rewritten version of this story under its new name. "RWBY: New World Hope" I hope to see you all there for this new redux of a familiar story with a familiar character.
RWBY - Rated: M - English - Adventure - Chapters: 80 - Words: 903,348 - Reviews: 1050 - Favs: 813 - Follows: 893 - Updated: 11/2/2018 - Published: 12/22/2016 - OC - Complete
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: 637 - Follows: 927 - Updated: 10/25/2018 - Published: 4/30/2017 - Master Chief/John-117, Cortana, Shepard (F)
A Shifted Star by
Duzzit reviews
Reach, the greatest fortress of Humanity, and last bastion before Earth. Torn from all it has known and brought to a crossroads between potential friend and foe, mere strength alone will not be enough for it to thrive.
Crossover - Babylon 5 & Halo - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 18,391 - Reviews: 19 - Favs: 75 - Follows: 100 - Updated: 10/25/2018 - Published: 4/16/2018 - Master Chief/John-117
Crashing into the World of Remnant by
dragonmind64 reviews
After the Reds and Blues defeat Charon, they are sent back home as heroes! But something goes wrong with the ship, and they crash on a mysterious planet which is riddled with monsters called Grimm, somewhat thriving human civilization, and color-named people! Will they help these new people in their Grimm war, or will they find the best way off the planet?
Crossover - Red vs. Blue & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 17 - Words: 67,468 - Reviews: 147 - Favs: 323 - Follows: 391 - Updated: 10/9/2018 - Published: 7/6/2016
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: 278 - Follows: 377 - Updated: 10/8/2018 - Published: 1/30/2017 - H. Maybourne, OC, Master Chief/John-117, C. Halsey
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: 139 - 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: 1565 - Favs: 3,422 - Follows: 4,028 - Updated: 10/1/2018 - Published: 6/3/2014 - Master Chief/John-117, Cortana, Jon S., Eddard S./Ned
The Leader and Warrior by
KtyouVsWriting reviews
Sangheili Arbiter Thel 'Vadam has fought the Flood and The Prophet of Truth. Commander Jane Shepard has fought the Reapers and the Collectors. Both are leaders, warriors, and survivors, but while the Arbiter knows the price of galactic genocide, Shepard does not yet understand it, nor does she understand it as the Arbiter understands it. But she will be forced to understand.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 48 - Words: 218,161 - Reviews: 756 - Favs: 783 - Follows: 937 - Updated: 9/29/2018 - Published: 10/13/2014 - Arbiter, Shepard (F)
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: 237 - 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
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/ć¢ć«ć”ćę¬ć - 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
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: 491 - Follows: 848 - Updated: 8/3/2018 - Published: 5/24/2018
Remnant's Emperor by
death korp commissinar reviews
After Dying the god-emperor of mankind finds himself in a whole new world, much different from the imperium he had left behind. Here he meets teenagers who fight demons with strange weaponry and strange customs. How will the fate of Remnant unfold now that the universe's most powerful man is upon it?
Crossover - Warhammer & RWBY - Rated: M - English - Humor - Chapters: 18 - Words: 65,071 - Reviews: 144 - Favs: 169 - Follows: 189 - Updated: 8/3/2018 - Published: 4/17/2017 - The Emperor, Primarch/s, Team RWBY
The Final Frontier : The Last Cycle by
WisdomOfCelestials reviews
AU. Halo/Mass Effect Crossover, Combined Universes. Humanity has not met the council. Considerably buffed Humanity. Buffed Reapers. Several OCs
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 15,225 - Reviews: 29 - Favs: 132 - Follows: 201 - Updated: 7/23/2018 - Published: 1/1/2018
For the Love of a Memory by
Vindicated Skies reviews
Church refused to perish 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 saviour go into battle without someone watching his back. The Chief just wished they had picked someone else. M for language. Cover art by Pilgrimwanders.
Crossover - Halo & Red vs. Blue - Rated: M - English - Sci-Fi/Humor - Chapters: 8 - Words: 46,625 - Reviews: 283 - Favs: 501 - Follows: 587 - Updated: 7/21/2018 - Published: 10/10/2013 - Master Chief/John-117, C. Halsey, L. Church/Alpha, Wash
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)
Gaming for Glory by
Yoshtar reviews
I am... The Gamer: A beta-Tester for the most advanced reality-based game system out there, developed by Metasoft Industries. Summed up, it's an ARG on steroids... but it's also not on Earth, but rather a VERY familiar world you and I know as Remnant... it's a real place apparently, and it's where I am writing this from... RWBY says "hi"...
RWBY - Rated: T - English - Sci-Fi/Fantasy - Chapters: 78 - Words: 211,214 - Reviews: 862 - Favs: 1,291 - Follows: 1,342 - Updated: 7/4/2018 - Published: 9/20/2015 - Ozpin, OC, Team RWBY, Team JNPR - Complete
Sans In the Literature Club (REWRITING) by
ikidude reviews
Sans gives into his demise, after trying so hard, he still couldn't defeat the determined child. But soon, he wakes up in a classroom full of humans, then he realizes he is one too! What'll Sans do now that he is in this unique scenario? First Fanfiction I've posted, constructive criticism would be good! (Rated T for possible cursing in the future, also spoilers may come into play)
Crossover - Undertale & Doki Doki Literature Club - Rated: T - English - Adventure/Friendship - Chapters: 5 - Words: 18,501 - Reviews: 188 - Favs: 262 - Follows: 330 - Updated: 6/19/2018 - Published: 12/6/2017 - Sans, Natsuki, Sayori, Yuri
Planet Remnant by
Sillva reviews
Ruby Rose is a Captain of a deep space scavenging team from a long thought destroyed planet on the outskirts of UNSC territory Known as Remnant. While responding to a UNSC distress beacon Ruby and her crew find way more than they barged for. Will it prove to be their undoing or perhaps have they found the key to their planets survival?
Crossover - Halo & RWBY - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 18 - Words: 103,493 - Reviews: 31 - Favs: 114 - Follows: 125 - Updated: 6/9/2018 - Published: 7/29/2015
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: 193 - Follows: 254 - Updated: 6/8/2018 - Published: 9/9/2017 - Master Chief/John-117, Team RWBY
Project WUBAT by
Soul's Release reviews
As the Universe, including every known dimension, begins to fall apart, the hopes of all lie with a team of rag-tag heroes. Through all of their flaws and strengths, they must work together to stop an overwhelmingly powerful entity from destroying everything. That is, if they don't kill each other first... Rated T for language, violence, adult humor, and heavy adventure. :D
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 13,026 - Reviews: 17 - Favs: 13 - Follows: 18 - Updated: 5/10/2018 - Published: 2/13/2017
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
The Idiot and Freelancer in Remnant by
Zedlyfier reviews
What if, instead of Caboose ending up in Vic's fourth wall breaking episode, he ended up in the world of Remnant? What if Agent Washington tagged along? Story starts before Season 15 and before Volume 3. Rated T because it's Red vs Blue. (Dead/Discontinued/...Hiatus? Still debating with myself.)
Crossover - Red vs. Blue & RWBY - Rated: T - English - Adventure/Humor - Chapters: 25 - Words: 154,885 - Reviews: 309 - Favs: 386 - Follows: 408 - Updated: 3/3/2018 - Published: 6/1/2017 - M. Caboose, Wash, Ozpin, Team RWBY
Bleeding Out by
Spartan-303 reviews
Spartan-III's. Made for suicide missions, and operations of equal danger. But what happens when one of those missions goes wrong, and drags not only a team of Spartans, but also an entire Charon Class Frigate and her crew to a world unknown to them.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Romance - Chapters: 9 - Words: 26,203 - Reviews: 18 - Favs: 65 - Follows: 98 - Updated: 2/4/2018 - Published: 1/9/2017 - [OC, Winter S.] Team RWBY
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: 602 - Follows: 812 - Updated: 1/28/2018 - Published: 12/16/2016
Star League of the Orion Arm Codex by
Reichenfaust reviews
Megaverse. A grand vision, on how Mass Effect, and others will be affected by a humanity forged from the influences of 1980's-2000's Sci-Fi and such. How will the Citadel deal with a humanity that has seen and has Cyborgs, Super-Soldiers, BattleMech's, WarShips, with more to come? Will contain dossiers on factions, weapons, characters, and such as we go.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 76,698 - Reviews: 22 - Favs: 99 - Follows: 101 - Updated: 1/26/2018 - Published: 12/25/2016
Tale Of Two Worlds by
Writen reviews
Earth? Remnant? No longer separate entities. The world would be changed forever as these two civilizations were unwillingly forced to combine into one. But now the questions were raised. Who was responsible for this event? How? Why? But for some, another question needed an answer. How far would you go to unite two worlds?
RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 17,939 - Reviews: 40 - Favs: 76 - Follows: 97 - Updated: 1/24/2018 - Published: 6/26/2017 - Ozpin, OC, Salem, Team STRQ
Osiris: A New Dawn by
Prometheus-23 reviews
A mismatched group of spartans end up at Beacon, how? Slipspace is a mysterious thing. Lots of explosions and chaos ensue. "The light is green Osiris!" pairings are unsure, so eep with me, first 'official' story, betad by KryptekWolf. This story will include elements from, in addition to RWBY and Halo, TF2, Destiny, and maybe few others here and there.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Humor - Chapters: 3 - Words: 9,283 - Reviews: 4 - Favs: 5 - Follows: 8 - Updated: 1/8/2018 - Published: 3/18/2017 - OC, Samuel-034, O. Vale, Ruby R.
Meet the Dad? by
Awesome Arod reviews
In an alternate universe where two of the members of Team RWBY have a abusive, alcoholic dad, they meet every one's favorite Russian tank. Join them as they try to adjust to life with a future killer mercenary. Heavy, better be ready to raise two huntresses...
Crossover - Team Fortress 2 & RWBY - Rated: T - English - Adventure/Family - Chapters: 6 - Words: 27,591 - Reviews: 64 - Favs: 117 - Follows: 144 - Updated: 12/29/2017 - Published: 5/16/2017 - Heavy, Ruby R., Yang X.L.
The Price of Redemption by
soggy noodle reviews
Noble Six doesn't die on Reach. He cannot afford to. For what he's done and what he has not, there is a price to be paid. - Rated M for language, gore, and other adult themes in the future.
Crossover - Halo & RWBY - Rated: M - English - Adventure - Chapters: 12 - Words: 84,102 - Reviews: 136 - Favs: 374 - Follows: 484 - Updated: 12/8/2017 - Published: 9/22/2017 - SPARTAN-B312/Noble Six
They Came from Another World by
AlliesWritingFanFiction reviews
Their mission was simple: Fly into space, find every bit of Australium left, and go home. It's as simple as that. But for some reason, Merasmus thought it would be good to mess with the mercenaries by sending their spaceship flying into a whole different world as a way of revenge. Stuck, Team Fortress are forced to adapt to the new planet they had crashed onto.
Crossover - Team Fortress 2 & RWBY - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 8,049 - Reviews: 11 - Favs: 24 - Follows: 31 - Updated: 11/25/2017 - Published: 11/4/2017
A Tale of Two Spartans by
The Doormaster reviews
Nothing scares a Spartan, monsters, magic, world threatening schemes. All just an average day for one of the unstoppable super soldiers. Even if it's on a new unknown planet with a shattered moon. T for violence, language, and suggestive themes.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Fantasy - Chapters: 3 - Words: 7,160 - Reviews: 42 - Favs: 75 - Follows: 135 - Updated: 11/17/2017 - Published: 6/4/2017 - Fred-104, Pyrrha N.
A Remnant Problem by
K'Pow6 reviews
ODST's are known for their deadly efficiency in combat and their ability to get the job done. But after an operation goes wrong, Buck and his squad find themselves in a difficult situation and stuck on the planet Remnant. Caught between local conflicts and trying to find their way home, Buck and his troopers are in for a long ride.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 68,852 - Reviews: 163 - Favs: 348 - Follows: 470 - Updated: 11/8/2017 - Published: 1/5/2014 - E. Buck, Rookie, Team RWBY, Team JNPR
Contemptor Savior by
GreenDo reviews
After a hellish battle against the Iron Warriors, an Iron Hands Contemptor Dreadnought, known as "The Iron Sarcophagus" is on the brink of death, but before the void can claim the ancient warrior, fate intervenes, after all, In The Grim Darkness Of The Far Future, There is Only War...
Crossover - Warhammer & RWBY - Rated: T - English - Mystery/Adventure - Chapters: 10 - Words: 28,714 - Reviews: 66 - Favs: 132 - Follows: 192 - Updated: 11/2/2017 - Published: 4/8/2017
Fragments of Remnant (ON HAITUS) by
OneManArmySilver reviews
Church is in a bit of trouble. Now he has to deal with landing on a planet completely separate from UNSC contact with it's own monsters and magic. And if things couldn't get better, he now has to babysit eight AI fragments of himself. Maybe those weird kids would help him to fix this mess...
Crossover - Red vs. Blue & RWBY - Rated: T - English - Humor/Adventure - Chapters: 16 - Words: 29,319 - Reviews: 76 - Favs: 173 - Follows: 207 - Updated: 10/2/2017 - Published: 7/31/2017
Tending to the Soul by
potNpaN reviews
Alcohol is a presence in all aspects of Humanity and Faunuskind. It breaks, helps, and heals. The people who serve it find they're the people who can help. After a rejection at Beacon, Jaune finds his place to belong at a bar, hoping to recover from his past mistakes by helping others in need. Cover: Hanisu93
RWBY - Rated: T - English - Hurt/Comfort/Humor - Chapters: 30 - Words: 129,597 - Reviews: 1336 - Favs: 2,603 - Follows: 2,652 - Updated: 9/14/2017 - Published: 9/27/2016 - Jaune A. - Complete
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: 666 - Favs: 1,484 - Follows: 1,774 - Updated: 8/29/2017 - Published: 12/18/2016
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
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: 151 - Favs: 411 - Follows: 580 - Updated: 7/17/2017 - Published: 9/8/2016 - Anakin Skywalker, Ahsoka T., Master Chief/John-117, Cortana
Leaving a Dead World by
Cadaver1041 reviews
Grey Mann won. The remnants of the mercantile team decide to jump ship and land in a new dimension. This is the story on how nine individuals can mess up a single time line severely. May have themes that are disturbing to some. Friendship will come later, for now just introductions. Hiatus due to lack of inspiration for this story. Will come back to it within a few months.
Crossover - Team Fortress 2 & RWBY - Rated: M - English - Adventure/Friendship - Chapters: 12 - Words: 39,219 - Reviews: 41 - Favs: 56 - Follows: 74 - Updated: 7/16/2017 - Published: 9/4/2016 - Medic, Pyro, Scout, Soldier
The Valean Guard Volume 1:Cadia's Children by
Johnnieboy11 reviews
A story about the First Youth Regiment of the Imperial Guardsmen of Cadia, its last raised regiment, formed of Cadia's youngest prodigies of war. This story will follow the events of their lives upon reawakening in a new world and the ordeals they'll have to face, as both politics and hostile entities pursue them. Let it be known that our planet broke before we did-Lt. Telos
Crossover - Warhammer & RWBY - Rated: M - English - Sci-Fi/Romance - Chapters: 4 - Words: 12,594 - Reviews: 22 - Favs: 51 - Follows: 59 - Updated: 5/25/2017 - Published: 5/21/2017 - [Ruby R., OC] Imperial Guard, Team RWBY
Return of S-051 LtKurt Ambrose by
Terminatis reviews
A lone Spartan standing alone amidst an army, a lone Spartan thought dead by his comrades, 1 of 33. He was a teacher, leader, trainer of the Spartan-3's, he 'sacrificed' himself so others could escape to safety with the full intention of not surviving. But it seems it isn't his time to die and time has yet another job for him in a far off planet, in a different universe & timeline.
Crossover - Halo & RWBY - Rated: T - English - Chapters: 2 - Words: 5,211 - Reviews: 15 - Favs: 38 - Follows: 58 - Updated: 5/24/2017 - Published: 5/2/2017 - Kurt-051, Ozpin, Glynda G.
Prodromos: Journey's End by
Delta270 reviews
[On hiatus, but will return! Sorry.] The Initiative embarked upon a journey of 2.3 million lightyears and 600 years. They awoke to a galaxy already full of living, sentient species. They will soon find, however, that they are not the first to journey between galaxies, and that they have followed the path of another's Great Journey. Halo and Mass Effect: Andromeda.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Mystery - Chapters: 1 - Words: 12,611 - Reviews: 15 - Favs: 53 - Follows: 80 - Published: 5/5/2017 - Scott R., Vetra N., SAM
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
A New Beginning For RED by
Awesome Arod reviews
9, elite mercenaries are defending humanity from a robot uprising created by Gray Mann. The 9 are then sent to a different universe filled with a whole new experience, giving a new start for them and hopefully will get along with the citizens of Remnant.
Crossover - Team Fortress 2 & RWBY - Rated: T - English - Adventure/Humor - Chapters: 10 - Words: 19,020 - Reviews: 30 - Favs: 31 - Follows: 32 - Updated: 4/30/2017 - Published: 11/23/2016
Of The Future And Past by
ZF IAnswerToNoOne reviews
The UNSC/Covenant war is over. The UNSC, Covenant, and Prometheans have joined to create the Republic of Sentient Species and are now an almost galaxy-wide power. Still, with the discovery of a device in space, and learning of a new enemy, will the RSS be able to react in time?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 9 - Words: 20,876 - Reviews: 108 - Favs: 275 - Follows: 349 - Updated: 4/15/2017 - Published: 10/1/2016
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: 396 - Follows: 495 - Updated: 2/25/2017 - Published: 12/16/2014 - Master Chief/John-117, Garrus V., Tali'Zorah, Shepard (M)
RWBY: Lone Wolf by
rousseauk reviews
When Noble Six saw the Pillar of Autumn leave, he realized he would have to make his last stand on this now-burning world, alone. He was ready to die. He never expected to be saved by a mysterious forerunner Ancilla and transported to a land with a broken moon. But in the end, it doesn't matter. He'll do what he was bred to do. Survive.
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 6,277 - Reviews: 18 - Favs: 59 - Follows: 96 - Published: 2/11/2017
Second Chances by
GunnyStacker reviews
A tale of inter-dimensional war, the admittance of past sins and seeking atonement for them in the face of cosmic horrors beyond imagination. Can the Eldar overcome their own inherent flaws to right the wrongs of the past and work with a besieged aspect of humanity in an alternate reality? ON HIATUS, SORRY.
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 35,970 - Reviews: 51 - Favs: 209 - Follows: 247 - Updated: 2/7/2017 - Published: 11/13/2016 - Chaos Space Marines, Eldar, Master Chief/John-117, Cortana
The Primarchs of Remnant by
Solaris Potentia reviews
In an weird twist of fate, 20 lesser reflections of the true Primarchs arrive on Remnant. Growing up separated from their kindred brothers, their time at Beacon will reunite them as one collective whole of powerful, awesome and exceedingly brilliant collective of warriors, pranksters and scholars. While the rest of the RWBY universe also gets involved with their endless jokes!
Crossover - Warhammer & RWBY - Rated: T - English - Adventure/Humor - Chapters: 11 - Words: 22,999 - Reviews: 89 - Favs: 106 - Follows: 137 - Updated: 1/7/2017 - Published: 1/12/2016
First Contact by
Shadythief reviews
When the SSV Normandy becomes lost in space, they chance upon an undiscovered system. They find an unknown race, who use strange technology previously thought impossible. Could these aliens be the key to a far off future war? Or will they only cause more destruction?
Crossover - Halo & Mass Effect - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 7 - Words: 30,619 - Reviews: 78 - Favs: 219 - Follows: 299 - Updated: 12/31/2016 - Published: 3/18/2016 - Arbiter, Shepard (F), Garrus V.
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
Doctor Krow by
The Master Thrasher reviews
Team RWBY were having an average day, just lolling around on a lazy Saturday afternoon, when they received notification of their first mission: find this odd man wandering the Emerald Forest and bring him back to Beacon for questioning. Who is this odd man in the crow mask, and what does he want?
RWBY - Rated: T - English - Supernatural/Crime - Chapters: 3 - Words: 10,061 - Reviews: 7 - Favs: 24 - Follows: 28 - Updated: 11/28/2016 - Published: 12/16/2015 - Glynda G., OC, Team RWBY, Team JNPR
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.
Tiny Miracles by
Hijinks Omega reviews
A creative man with little time somehow ends up bringing tiny creations to life. Monty Oum finds his tiny creations hard to pull himself away from, and they seem to like him a little too much for them to leave him. A simple life becomes humorously complex.
RWBY - Rated: K+ - English - Family/Friendship - Chapters: 30 - Words: 25,640 - Reviews: 151 - Favs: 388 - Follows: 401 - Updated: 9/26/2016 - Published: 3/1/2015 - Ruby R., Team RWBY, Team JNPR
Welcome to Chorus, Master Chief by
Captain Grif reviews
Master Chief is looking for answers; Washington, Carolina, and the Reds and Blues are looking for alien weapons; and Grif is just looking for a quiet place to take a nap. Everyone's world is about to get a lot bigger. This story takes place between Halos 4 and 5 and between seasons 12 and 13 of RvB.
Crossover - Halo & Red vs. Blue - Rated: T - English - Sci-Fi/Humor - Chapters: 7 - Words: 26,179 - Reviews: 66 - Favs: 136 - Follows: 123 - Updated: 9/13/2016 - Published: 3/22/2016 - Master Chief/John-117, Epsilon, D. Grif, Wash - Complete
Team Fortress 2 vs RWBY by
Le MAO XXV reviews
It's exactly as the title says. The mercs of TF2 will battle the colorful characters of RWBY. Nine mercs. Nine fights (possibly more...or less). And it's not random. Each match up will be based on each side's fighter having a similar characteristic. Who will reign supreme: TF2 or RWBY? (Chapter 2: Soldier vs. Winter Schnee) (HIATUS)
Crossover - Team Fortress 2 & RWBY - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 5,415 - Reviews: 37 - Favs: 46 - Follows: 50 - Updated: 8/19/2016 - Published: 8/14/2016
Reminiscent by
Hit by a Parked Car reviews
A single SPARTAN-IV and his A.I. Companion is sent to an uncharted planet just recently detected by the UNSC. It's anyone's guess what they find down there. Though it's probably highly predictable. (( Probably going to be following the timeline of the RWBY show, though modified as I'm too lazy to follow it completely and exactly. )) Rated T for some violence and swearing, etc
Crossover - Halo & RWBY - Rated: T - English - Adventure - Chapters: 10 - Words: 25,092 - Reviews: 22 - Favs: 49 - Follows: 72 - Updated: 7/28/2016 - Published: 6/25/2016 - OC, Team RWBY
Mass Effect: Clash of Civilizations by
Eterna1Soldier reviews
In 2157 a Citadel Council exploratory vessel is tasked with opening a dormant Relay into unknown regions of the galaxy. What they find is something they never expected. What happens when two civilizations centered around different technologies clash?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Mystery - Chapters: 21 - Words: 96,812 - Reviews: 3395 - Favs: 5,053 - Follows: 5,933 - Updated: 5/22/2016 - Published: 10/13/2011 - Tali'Zorah
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: 456 - Follows: 545 - Updated: 2/13/2016 - Published: 2/26/2014 - Master Chief/John-117, Cortana, Ruby R., Yang X.L.
New Beginnings by
Xenongaf reviews
The year is 2521, and the Forward Unto Dawn, containing John-117, was hurled into the past. But not the one as he knew it. The insurrectionists are bigger than ever and the Director of Project Freelancer has been tasked to eliminate them. Follow Chief as he battles against insurrection's with Project Freelancer.
Crossover - Halo & Red vs. Blue - Rated: T - English - Adventure/Sci-Fi - Chapters: 14 - Words: 21,661 - Reviews: 111 - Favs: 227 - Follows: 265 - Updated: 11/17/2015 - Published: 6/21/2014 - Master Chief/John-117, Director, North, Wash
(Re-Write) 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 - Fantasy/Adventure - Chapters: 6 - Words: 22,699 - Reviews: 37 - Favs: 121 - Follows: 158 - Updated: 9/3/2015 - Published: 6/6/2015 - Aragorn, Boromir, Master Chief/John-117
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)
Old Enemies, New Tricks, and Interesting Discoveries by
TheBurningWorld reviews
This is new and improved! (I hope) The events of Lone Wolf never occur, and that leaves Six to wander the area around the Onager cannon platform. What he finds is an abandoned UNSC outpost, with an odd message on the communications array terminal screen... (T, however may be bumped to M!)
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 2,790 - Reviews: 22 - Favs: 82 - Follows: 119 - Updated: 3/26/2015 - Published: 1/15/2015 - SPARTAN-B312/Noble Six, Ruby R., Blake B., Yang X.L.
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: 387 - Updated: 12/23/2014 - Published: 12/22/2013 - Master Chief/John-117, Shepard (M), Shepard (F), OC
Ambrosius-051 by
raheir reviews
Kidnapped, trained, and kidnapped again. He was the commander, trainer of the Spartan-IIIs, and saved three of the best Spartan-IIs in his final stand against a Covenant army. But, fate thinks his skills can be used elsewhere.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 12,305 - Reviews: 44 - Favs: 113 - Follows: 147 - Updated: 11/16/2014 - Published: 8/30/2014 - Kurt-051
The Protectors of Earth and Her Colonies Shall Know No Fear by
BuenosDiasChildren reviews
The UNSC and the Imperium have agreed on hosting an exchange between two Spartans and two Space Marines. What kind of hijinks will ensue? Inspired by the story "Marcius Flavius" on 1d4chan, which means it's going to be slight crack. Rated T for now. Might change to M because of violence.
Crossover - Warhammer & Halo - Rated: T - English - Sci-Fi/Humor - Chapters: 4 - Words: 10,694 - Reviews: 67 - Favs: 92 - Follows: 132 - Updated: 9/21/2014 - Published: 8/23/2014 - Titus, Linda-058, Fred-104
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
Best of Both Worlds by
YappiChick reviews
"What's a Halo?" / "I have no idea, Number One, but I suspect we will find out soon enough."
Crossover - StarTrek: The Next Generation & Halo - Rated: K+ - English - Sci-Fi - Chapters: 16 - Words: 17,085 - Reviews: 51 - Favs: 118 - Follows: 110 - Updated: 4/8/2014 - Published: 7/26/2013 - Data, J. Picard, Cortana, Master Chief/John-117 - Complete
Sideways and Backwards by
Torrigan Lattonen reviews
A little jaunt through a "what if" scenario concerning alternate universes and parallel worlds. takes place at the end of halo 3.
Crossover - StarCraft & Halo - Rated: M - English - Drama/Adventure - Chapters: 4 - Words: 15,562 - Reviews: 29 - Favs: 55 - Follows: 64 - Updated: 7/7/2013 - Published: 2/27/2013 - Master Chief/John-117
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
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
Reclaimer: The Last SPARTAN by
Classic Cowboy reviews
Book 3 Avatar postHalo 3. As the summer draws closer, the Fire Nation enlists the aid of a never before seen demonic force that even the Avatar is no match for, but in their darkest hour, help comes from the stars.
Crossover - Halo & Avatar: Last Airbender - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 13,129 - Reviews: 219 - Favs: 152 - Follows: 193 - Updated: 4/13/2008 - Published: 10/2/2007 - Master Chief/John-117, Aang