Halo Crossovers
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Digimon War Game S2 by riven-del reviews
The Halo has been destroyed, but the Covenant have a new objective: Earth. Cassandra will have her work cut out for her as she helps the Pillar of Autumn's crew stall the enemy and more Tamers with crests show up.
Crossover - Digimon & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 11 - Words: 13,406 - Reviews: 5 - Favs: 9 - Follows: 8 - Updated: 11/8 - Published: 9/2/2022 - OC, Herissmon, Master Chief/John-117, Fred-104
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: 3 - Words: 14,010 - Reviews: 21 - Favs: 115 - Follows: 164 - Updated: 11/8 - Published: 7/14 - Anakin Skywalker, Obi-Wan K., Ahsoka T., Master Chief/John-117
The Reclaimer of Mandalore by UNSC indomitable reviews
Having been awoken by his faithful companion. The Master Chief and Cortana find themselves in an unknown galaxy. Knowing the only way to survive is to remain under the radar. But in a galaxy gripped by war, such a thing was never going to be easy. As the Chief try's to up hold the status quo in the ever changing world of Mandalore, as the galaxy slowly torn apart around them.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 20 - Words: 121,141 - Reviews: 439 - Favs: 1,248 - Follows: 1,650 - Updated: 11/5 - Published: 11/25/2020 - OC, Master Chief/John-117, Cortana
Galactic Conflicts: Tales of First Contact by TheDoctor1998 reviews
Humanity and its allies have stood strong after the Great War with the Covenant. Follow the Systems Alliance as it goes through a first contact nearly as disastrous as the one that lead to the Great War.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 18,922 - Reviews: 64 - Favs: 182 - Follows: 261 - Updated: 11/5 - Published: 2/6
Halo: From Spartan to Seran by CommanderAuri reviews
What was originally set to be a smash and grab mission goes completely sideways. A haphazard escape through teleporter on the shield world Requiem's surface sends Spartan Commander Rachel Auri flying head over heels onto foreign soil with hostile contacts right on her tail. Follow her story as she tries to survive a planet that is constantly attempting to kill off it inhabitants.
Crossover - Halo & Gears of War - Rated: K - English - Sci-Fi/Adventure - Chapters: 7 - Words: 56,578 - Reviews: 21 - Favs: 37 - Follows: 48 - Updated: 11/2 - Published: 11/9/2022 - Marcus F., Dominic S., A. Cole, D. Baird
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 month. I have up to chapter 12 already written.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi - Chapters: 12 - Words: 24,920 - Reviews: 112 - Favs: 387 - Follows: 528 - Updated: 11/1 - Published: 4/27
Halo: Doctor Who by TimeTraveller-1900
A series of one-shots chronicling the life of Doctor Who, a Time Lord from the planet Gallifrey, who is forced to flee his world after years of travelling the stars and trying and failing to make a better world, before becoming stranded during the Human-Covenant war.
Crossover - Doctor Who & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 4,352 - Favs: 7 - Follows: 10 - Updated: 10/31 - Published: 10/25 - 1st Doctor, 2nd Doctor, Martha J., C. Halsey
The First Men in Space by TimeTraveller-1900
A series of one-shots set in the 1964 movie, The First Men in the Moon, spanning decades as humanity moves out into the universe, fighting off Martians, and alien invaders, and encountering foes in other solar systems before discovering the Covenant.
Crossover - Misc. Movies & Halo - Rated: M - English - Horror/Sci-Fi - Chapters: 5 - Words: 7,191 - Favs: 3 - Follows: 7 - Updated: 10/31 - Published: 10/24
The Sins of our Fathers by MarkerMagnum reviews
Unknown to the Citadel Council, the Human-Covenant war nears its vicious end. Miranda Keyes is seconds too slow. Delta Halo fires, leaving UNSC space as a lifeless snapshot in time. The Citadel must morn the loss of a civilization they never knew.
Crossover - Halo & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 10 - Words: 97,151 - Reviews: 437 - Favs: 1,248 - Follows: 1,704 - Updated: 10/30 - Published: 2/11 - Cortana, Councilor Valern, Councilor Tevos, Councilor Sparatus
Buzzard Buccaneer Radio by General Rage reviews
Boz the Buzzard hosts this pirate radio station, beaming out music to the Normandy, Fallen Serpent, Crusty Chorka and Ascendant Justice non-stop. BBR has only one mission, to keep Rock n Roll alive in the dark void of outer space. A companion story to "Remnants" that shows what happens while Shepard is off playing hero. Part of the Wormhole Chronicles Saga.
Crossover - Halo & Mass Effect - Rated: M - English - Humor/Sci-Fi - Chapters: 11 - Words: 84,796 - Reviews: 98 - Favs: 97 - Follows: 111 - Updated: 10/29 - Published: 9/21/2016 - OC
Project Atlas by Masso 2010 reviews
The Spartans are trained to be unthinking, unflinching and unmoving in the face of the impossible. Project Atlas is so much more, when humanity looks up into the sky they can see Hope, Justice, Reverence. When those that seek to hurt humanity look up into the sky, they see the warrior, the monster, the demon. To those who seek the destruction of humanity, he is the Cataclysm.
Crossover - Superman & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 22 - Words: 164,862 - Reviews: 201 - Favs: 442 - Follows: 520 - Updated: 10/29 - Published: 4/17/2022 - Clark K./Kal-El/Superman, Master Chief/John-117
Horizon War:Tales of the UNSC-Citizen Federation War by Johnnieboy11 reviews
A chance encounter with Forerunner Technology leads the UNSC to discover a two-way portal which leads into a Universe so similar, yet ever so different from their own. First contact with said Universe's humanity, however, goes awfully wrong, sparking the greatest war since the Human-Covenant War. These are the tales of those who fought in it.
Crossover - Halo & Starship Troopers - Rated: M - English - Adventure/Sci-Fi - Chapters: 15 - Words: 55,690 - Reviews: 167 - Favs: 230 - Follows: 301 - Updated: 10/29 - Published: 6/13 - [J. Rico, Dizzy F.] C. Halsey, T. Lasky
Harry Potter got trained by Driver1985 reviews
On the night Harry would have been dropped off by his Aunt, Dumbledore had someone else in mind. What if Harry was taken in by other strong people and they even decided to train him? Trained to be a Warrior by Wolves and the UNSC, he will change the world. OP, smart, trained Harry, small harem double cross with Witcher and Halo
Crossover - Harry Potter & Halo - Rated: M - English - Fantasy/Sci-Fi - Chapters: 86 - Words: 431,952 - Reviews: 358 - Favs: 764 - Follows: 897 - Updated: 10/28 - Published: 9/30/2021 - [Harry P., Hermione G., Daphne G.] Master Chief/John-117
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: 41 - Words: 863,235 - Reviews: 827 - Favs: 481 - Follows: 554 - Updated: 10/28 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
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. (Undergoing Chapter-by-Chapter Rewrites. Chapters 1-4 rewritten. Chapter 5 rewrites ongoing.)
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 32 - Words: 501,601 - Reviews: 815 - Favs: 954 - Follows: 1,113 - Updated: 10/28 - Published: 10/11/2022 - Luke S., Han S., Master Chief/John-117, T. Lasky
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: 10 - Words: 52,854 - Reviews: 22 - Favs: 68 - Follows: 103 - Updated: 10/26 - Published: 4/26
HaloHobbit by werecat1 reviews
A ship is dragged through a wormhole and crash lands on middle earth by the lonely mountain, can the crew help Bilbo and the Dwarrow take back the mountain?
Crossover - Halo & Hobbit - Rated: T - English - Sci-Fi/Fantasy - Chapters: 14 - Words: 26,639 - Reviews: 14 - Favs: 35 - Follows: 58 - Updated: 10/26 - Published: 9/4/2019
Assumed Rascality in the Sanctuary Pipeline by 1nt3rD1ct0r reviews
Confronted with a lack of means to prevent the Empire from completing another Death Star and with an unexpected boon in the form of a new "recruit", the Alliance to Restore the Republic employs a new, unorthodox strategy: just send one, highly capable soldier with means to badger the project into utter stasis.
Crossover - Star Wars & Halo - Rated: T - English - Humor/Parody - Chapters: 4 - Words: 5,914 - Reviews: 5 - Favs: 27 - Follows: 32 - Updated: 10/26 - Published: 5/22 - T. Jerjerrod, Master Chief/John-117
A New Path by GeorgeQuartz reviews
Year 2560, the UNSC Infinity and what is left of her crew is fighting for its life against countless Banished Invaders. Deep inside the ship, two pilots and friends have to fight their way through it all to their Longsword Interceptor. A one-in-a-million chance incident with a Forerunner Artefact brings them to a different fight with a different enemy, just trying to get back home.
Crossover - Halo & Star Wars Rebels - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 67,776 - Reviews: 30 - Favs: 96 - Follows: 128 - Updated: 10/25 - Published: 9/6/2022 - T. Lasky, OC, Ezra B., Sabine W.
Halo: Universal Vortex by Legend of Flashfox reviews
With the rush of the firing of the rings errors occurred. More species come into play and humanity no longer started on Earth alone. The planet Elemental is here with humans who are different from Earth. Now Naruto needs to navigate this war torn galaxy. Alive preferably. Pairings maybe Harem. NarutoXHalo world merged with bits of others like Star Wars and Mass Effect. Maybe more.
Crossover - Halo & Naruto - Rated: M - English - Chapters: 65 - Words: 144,593 - Reviews: 275 - Favs: 370 - Follows: 433 - Updated: 10/25 - Published: 1/10/2022 - C. Halsey, Naruto U.
Halo: Spiraling Conflict by Legend of Flashfox reviews
Toking from a young age, he was made to be the Ultimate Spartan before he was released to do what he wants. With a new lease on life, Naruto has no idea what to do with his life except for what he was trained to do. Will he embrace this new freedom or is this all a trap? In Haloverse with Naruto char. New species and factions. Chakra with tech blend. Narutox?
Crossover - Halo & Naruto - Rated: M - English - Chapters: 3 - Words: 6,902 - Reviews: 13 - Favs: 49 - Follows: 55 - Updated: 10/25 - Published: 7/20 - C. Halsey, Naruto U., Kyuubi/Kurama, Danzō S.
Halo: Wormholes by TimeTraveller-1900 reviews
In this series of one-shots which is set in an alternative universe where the human race discovers how wormholes work. Suddenly human explorers and expeditions are travelling from one planet to another, from one solar system to the next, without spaceships. How will humanity cope with enemies within? How will they cope with the Citadel? More importantly, what about the Covenant?
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 1,895 - Reviews: 1 - Favs: 27 - Follows: 36 - Published: 10/25 - Master Chief/John-117, C. Halsey, Kelly-087, Admiral Hackett
Spartans Don't Play Games by You will not find me reviews
The Tourney of Harrenhall was the greatest of its kind in Westeros. It was a grand show of the power of house Whent that drew the attention of all seven kingdoms. However, the Westerlands have arrived with strange new allies. Great warriors who bear the sigil of an eagle with arrows and lightning in its claws. Who are these new allies, and what do they mean for Westeros?
Crossover - Halo & Game of Thrones - Rated: T - English - Fantasy/Sci-Fi - Chapters: 50 - Words: 204,960 - Reviews: 1696 - Favs: 1,672 - Follows: 2,019 - Updated: 10/25 - Published: 11/17/2020 - Kurt-051, Lucy-B091, Tom-B292, Tywin L.
New era by martinantab reviews
THIS STORY IS PAUSED, I SHOULD CONTINUE I. FUTURE OR I WILL COMPLETELY REWRITE THIS STORY, DUE TO GRAMMAR ISSUES AND I THINK I RUSHED IT. BUT THANKS FOR THE REVIEWS, IT HELPED ME A LOT. I WILL PROPABLY REWRITE THE STORY AGAIN.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Humor - Chapters: 4 - Words: 8,625 - Reviews: 12 - Favs: 41 - Follows: 58 - Updated: 10/25 - Published: 10/6 - T. Hood, Master Chief/John-117, Councilor Sparatus, Councilor Tevos
The Guiding Fire by UNSC indomitable reviews
A Commander striped of authority. The world divide and falling. Last fading light. Hope lays in Spirit and might. As those with the fire lay dying. All must stand fast in the face howling night.
Crossover - Halo & Azur Lane/碧蓝航线 - Rated: M - English - Sci-Fi/Adventure - Chapters: 15 - Words: 112,432 - Reviews: 97 - Favs: 226 - Follows: 308 - Updated: 10/24 - Published: 7/22/2020 - J. Cutter, Belfast, OC
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