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Many hands make light work by Polluxsashes reviews
A normal twenty-first century human mind stuck inside a Huragok, a Forerunner biobot, gets punted straight into the worst place anyone could ever be: Warhammer 40k. What is he to do but what he is made for? Beware all who call this horrid universe home, you will be 'halped'. First story on this site, updates every 2 weeks. I have up to chapter 11 already written.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi - Chapters: 8 - Words: 15,275 - Reviews: 58 - Favs: 196 - Follows: 288 - Updated: 1h - Published: 4/27
Bellum Terranum by F35B reviews
In the year 2585 the Humans have mostly recovered from the effects of the Human-Covenant War, however unknown to them, there is a much larger Galaxy out there... one that doesn't take kindly to humanity and their... antics... PM me suggestions, I'm open to constructive criticism, Pls Read & Review (Slight HFY)
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 9,181 - Reviews: 19 - Favs: 80 - Follows: 90 - Updated: 8/2 - Published: 7/31
Reclaimer of the Wasteland by Fallout-Man101 reviews
Sometimes life throws you a curve ball, but when you are the Master Chief that ball can only ever be planet sized. A few years after the Battle of Installation 00 and of drifting slowly through space both John and Cortana come across a most unwelcome and surprising sight that they are on a literal collision course with. Boston isn't ready.
Crossover - Fallout & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,250 - Reviews: 2 - Favs: 8 - Follows: 17 - Published: 8/2 - Sole Survivor, Master Chief/John-117, Cortana
Halo ALT: Remnant by scouttroop reviews
In an Alternate Universe, the UNSC has colonized a disserted Remnant while at war against the United Rebel Front. Meanwhile Pyrrha Nikos who lost her fight against Cinder Fall lands in this Alternate Universes and stranded. Pyrrha herself would join the UNSC since there is probably no way back to her dimension. Alternate Universe Setting
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 2,383 - Reviews: 3 - Favs: 14 - Follows: 17 - Updated: 8/2 - Published: 7/29 - Catherine-B320/Kat/Noble Two, Carter-A259/Noble One, SPARTAN-B312/Noble Six, Pyrrha N.
Stained Ambition by Halgen reviews
We’ve been separated for too long. Enough is enough. The Covenant, ONI, and now a literal god. Well… bring it for I’m a warrior from beyond the stars and… I have been given a chance. One. That. I. Will. Take. A safe haven for both us, a place where we could be brother and sister again. For we were together before and we will be together in the end. We promised after all.
Crossover - Halo & Genshin Impact - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 16,049 - Reviews: 2 - Favs: 7 - Follows: 14 - Updated: 8/1 - Published: 7/17 - OC, Aether, Paimon
The Fast And The Noble by SSJ Lone Wolf reviews
A decade after being transported back to the late twentieth century following the Fall of Reach, Noble Six and Auntie Dot have worked tirelessly to uplift humanity through Noble Industries. However after encountering Mia Toretto and protecting her from a Cyberpsycho he slowly finds himself returning to a life he swore he'd never return too. Cyberpunk 2077 Elements.
Crossover - Fast and the Furious & Halo - Rated: M - English - Chapters: 6 - Words: 35,332 - Reviews: 99 - Favs: 327 - Follows: 352 - Updated: 8/1 - Published: 3/22 - Letty, Mia, SPARTAN-B312/Noble Six
Star Wars: Odyssey of the Infinity by IX404 reviews
During a routine safety test, the Slipstream Space Drive of the Infinity malfunctions, catapulting them into unknown space. Little do Lasky and the members of the Infinity know is that they will soon change the fate of a far away galaxy.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 27 - Words: 440,869 - Reviews: 671 - Favs: 819 - Follows: 982 - Updated: 8/1 - Published: 10/11/2022 - Luke S., Han S., Master Chief/John-117, T. Lasky
The Iron Cross by Lighting wolf knight reviews
Scattered, in a world where their emperor never existed... The Ultramarines have but one purpose... Protect humanity and act among them. Rated T for violence, death, and profanity. Read next chapter Author Notes for important news.
Crossover - Warhammer & Halo - Rated: T - English - Adventure/Romance - Chapters: 5 - Words: 15,854 - Reviews: 22 - Favs: 68 - Follows: 83 - Updated: 8/1 - Published: 7/15 - Space Marines, OC, Arbiter, Linda-058
Reunion in Fire by Illuviar reviews
For thirty years, humanity led by the UNSC has fought a war against the Covenant. The Covenant glassed hundreds of colonies and killed billions. Humanity is losing the war. At the same time, a galaxy away, the Federated Empire rises from the ashes of the Clone Wars and the Black Rebellion, slowly rebuilding. It is at this time, that the last of the Precursors decided to intervene.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 27 - Words: 99,953 - Reviews: 81 - Favs: 282 - Follows: 311 - Updated: 8/1 - Published: 3/11 - Anakin Skywalker, Obi-Wan K., Master Chief/John-117, SPARTAN-B312/Noble Six
Fireteam Mystic by Vandal1037 reviews
Dr. Catherine Halsey recives horrific visions of a future where humanity is crushed and destroyed beneath an iron boot. Her spartans were not enough to weather the coming storm. However her visions lead her into somethig more, a long lost power and a chance to help humanity rise to the top of the food chain.
Crossover - Harry Potter & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 19,986 - Reviews: 27 - Favs: 58 - Follows: 102 - Updated: 7/31 - Published: 7/23 - Harry P., Ron W., Master Chief/John-117, C. Halsey
Of Latchkeys and Misjumps by Sieben Nightwing reviews
When a second wave SLDF task force from the Amaris Civil War carrying high value passengers suffers a misjump, they end up in orbit over an uncharted planet. Lost and alone, they're hailed by an unknown ship. Circumstances will force them to work together to survive, as the new situation they find themselves in is even worse than the one they came from.
Crossover - Mechwarrior/Battletech & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 41,572 - Reviews: 15 - Favs: 41 - Follows: 74 - Updated: 7/31 - Published: 4/26
Were it So Easy by Sigma0327 reviews
Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 143,827 - Reviews: 199 - Favs: 877 - Follows: 1,263 - Updated: 7/31 - Published: 11/9/2020 - SPARTAN-B312/Noble Six, Tali'Zorah, Miranda L., Shepard
Remnants by General Rage reviews
From Halo's ashes, a mismatched Alliance is born. UNSC soldiers now serve alongside both Batarian deserters and shifty Jackal Space Pirates. Now Shepard and Master Chief have to keep these strange bedfellows from killing one another before they can stop an emergent new threat to the galaxy. The Next Swashbuckling Chapter of the Wormhole Chronicles.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 38 - Words: 811,801 - Reviews: 796 - Favs: 463 - Follows: 526 - Updated: 7/31 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
Spectre with a Spartan Sister by ZeBear reviews
In 2574, after the formation of the United Sentient Species Federation, they find more intelegent life. Having infiltrated the Normandy Project, they save John Shepard from dying after the Collectors attack at the end of Mass Effect 1. Neglecting to tell his friends. Now with and entire Federation of Species behind him, instead of Cerberus, how will John deal with it all?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 3,758 - Reviews: 8 - Favs: 22 - Follows: 37 - Updated: 7/31 - Published: 7/28 - [Shepard, Tali'Zorah] Garrus V.
The ONI Offensive by MrChef99 reviews
A small killteam of Spartan 3's are approached by the assassin's brotherhood during an OP against insurrectionists and are told the truth about ONI, and their plot to continue the Human-Covenant war so that they can be led to more forerunner artifacts to unlock the true potential of the apple of Eden.
Crossover - Halo & Assassin's Creed - Rated: T - English - Sci-Fi/Mystery - Chapters: 2 - Words: 631 - Reviews: 1 - Updated: 7/31 - Published: 7/22
The Unknown Defender by Gabenator5 reviews
A new faction stirs, its green-clad enforcers seemingly unstoppable. Rumors spread, pirate bases go dark, and both the enslaved and kidnapped are discovered free. Who are these new interlopers, and what is their goal? For good or ill, the powers that be intend to find out. REWORK COMPLETED.
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 19 - Words: 153,359 - Reviews: 1429 - Favs: 3,908 - Follows: 4,913 - Updated: 7/30 - Published: 9/27/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Leviathan
Gensokyo: Combat Evolved by CrackPairingLover reviews
A collection of short stories that are all loosely connected to one another. Please leave reviews and share your thoughts.
Crossover - Halo & Touhou Project - Rated: M - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 1,047 - Reviews: 3 - Favs: 1 - Follows: 1 - Updated: 7/30 - Published: 7/26 - Rtas 'Vadumee, Youmu K., Rookie, Reimu H.
Boku No Halo Academia: For Want of a Mustard Seed by Iowaman24 reviews
Eleven years have passed since the apocalyptic collapse at the end of the Third World War, and under Aurdel Ganowicz's oversight much of Japan has been rebuilt. However many are still unhappy with the way things are, and as a result the League of Villains has returned. But without an ideology, and under a seemingly revived former member, they are hellbent on destroying everything.
Crossover - Halo & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Sci-Fi/Drama - Chapters: 2 - Words: 7,597 - Reviews: 1 - Favs: 5 - Follows: 6 - Published: 7/29 - OC, Izuku M., 1-A Students
Avatar: The Lost Wolves by Believer218 reviews
The Academy became the home of Spartan training after the loss of Laconia Station. Kept hidden on a secret world, it has the potential to tip the balance in favor of the UNSC. But secrets lurk beneath the facility, and those secrets are about to be unleashed. Join the Lone Wolves as they embark on an adventure that could change more than just their world.
Crossover - Halo & Avatar: Last Airbender - Rated: T - English - Fantasy/Adventure - Chapters: 7 - Words: 29,076 - Reviews: 4 - Favs: 3 - Follows: 6 - Updated: 7/29 - Published: 6/27 - H. Dinh, OC, Aang, Katara
Dimensional Circumstance by tyler6750 reviews
After their escape from the Ark and a 7 month Nap, Chief and Cortana find themselves in the Sol System, but not the one they know, Earth is all but Destroyed by a Tyrannical Race known as the Gamilans, they must help the crew of the Space Battleship Yamato make her Maiden Voyage to Iscandar and back within a year to save Humanity from Extinction
Crossover - Starblazers & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 24,916 - Reviews: 67 - Favs: 123 - Follows: 161 - Updated: 7/29 - Published: 6/1/2020 - A. Avatar/J. Okita, D. Wildstar/S. Kodai, Master Chief/John-117, Cortana
Wrong Place, Right Time: A Hero's Story by DLTA-BOT reviews
The journey of a hero doesn't always start where they expect. It doesn't always happen to those who expect it. Damon was never interested in being what SPARTANs represent: an implacable force for good standing as humanity's shield. Like most other third-generation SPARTANs, the war took everything from him. All he wanted was to return the favor. Sometimes we don't get a choice.
Crossover - Fallout & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 74 - Words: 874,570 - Reviews: 210 - Favs: 420 - Follows: 459 - Updated: 7/28 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
The Last Metroid by ShadowLight223 reviews
Her Metroid dna has taken over, resulting in a monstrous transformation. Unable to control her powers, when attempting to escape ZDR, her ship loses power due to her actions. She can't remember what happened after that, but now, all she sees is the blackness of space, left drifting, alone. In the distance, the broken body of a frigate is seen, with the name of Forward Unto Dawn…
Crossover - Metroid & Halo - Rated: M - English - Sci-Fi/Suspense - Chapters: 23 - Words: 106,730 - Reviews: 222 - Favs: 302 - Follows: 440 - Updated: 7/25 - Published: 9/20/2022 - Samus A., Master Chief/John-117
From Reach to Eclipse: The Black Swordsman and the Spartan by Dan Is Here reviews
Noble Six makes a final stand on Reach, only to be transported to the world of Berserk. Stranded in an alien land, he encounters the stoic warrior Guts. Despite their initial tension, they unite to face a common threat - the relentless onslaught of demons, fostering a tentative understanding.
Crossover - Berserk & Halo - Rated: T - English - Chapters: 1 - Words: 4,889 - Reviews: 1 - Favs: 18 - Follows: 23 - Published: 7/25 - Guts, SPARTAN-B312/Noble Six
Xcom: Fire From Above by StalinWithDaSpoon reviews
XCOM was losing. It lost the first contact war, and now it was losing the resistance war. Even with the Commander to lead them, they had made little progress in destabilizing the aliens regime. But this would change with a new factor being added to the battle, as what can only be described as Fire From Above.
Crossover - X-Com & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 7,963 - Reviews: 5 - Favs: 32 - Follows: 53 - Updated: 7/24 - Published: 7/19 - Bradford, J. Cutter, E. Anders, Jerome-092
Halo Galactic Wars: RE-IMAGINED by Crimson Soldat reviews
During the Battles of Zeta Halo, the Master Chief happens across a new site drastically different from the installation it resides on. Without any warning, he is violently sucked into a new war in a Galaxy Far, Far, Away. The following event will shake both universes and their respective peoples. And new secrets, thought lost to time, will be uncovered. co-written by F35B.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 13,913 - Reviews: 13 - Favs: 80 - Follows: 105 - Updated: 7/24 - Published: 7/14 - Anakin Skywalker, Obi-Wan K., Ahsoka T., Master Chief/John-117
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