Halo Crossovers
Filters
3.5K | Page 1 2 3 4 11 .. Last Next »

Into the Howling Dark by long night of solace reviews
Hundreds of millions of years ago, Humanity, Forerunners and the SanShyuum, the tier-1 species protected the galaxy. But the peace never lasted as the threat of flood and the reapers brought the Milkyway to the edge of extinction. Now the warriors of the past needs to guide the future galaxy and stop history from repeating itself.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 36,588 - Reviews: 44 - Favs: 135 - Follows: 179 - Updated: 12/1 - Published: 10/23 - Master Chief/John-117, Didact, D. Anderson, Shepard
Roses and Violets by Gashadokur0 reviews
Ever heard of a giant Megacorp falling down from the sky? Neither did Night City. Until a suriving group of UNSC came down with a mishmash of a UNSC Carrier ship. That certainly gave Night City something to talk about for months. (Inspired by both the main Halo series and Red vs Blue)
Crossover - Halo & Cyberpunk 2077 - Rated: T - English - Humor/Sci-Fi - Chapters: 25 - Words: 104,449 - Reviews: 119 - Favs: 246 - Follows: 309 - Updated: 5h - Published: 1/26
Halo: Dark Stars-On Eternal Patrol by Ash Maelstrom reviews
AU/FUSION FIC. Sidestory. A colony that was spared destruction at the hands of the Covenant has become the backdrop for something unbelievable. Now a motley assortment of colonists and outsiders may finally have an answer to the question of what exactly happened over Vodin in 2532.
Crossover - Halo & Kantai Collection - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 30,436 - Reviews: 3 - Favs: 7 - Follows: 8 - Updated: 11h - Published: 11/28
ARES:The Gods of War by Johnnieboy11 reviews
Mankind's Greatest Hero has finished his mission once more. Saving Earth from the Didact and his weapon of mass-recruitment, the Composer, the Master Chief and his AI companion, Cortana, find themselves mysteriously transported to a strange variation of Earth, where machines rule the surface and mankind hides below. The SPARTAN and those that join will fight to Reclaim the world...
Crossover - Halo & Goddess of Victory: Nikke - Rated: T - English - Adventure/Sci-Fi - Chapters: 58 - Words: 240,761 - Reviews: 560 - Favs: 712 - Follows: 875 - Updated: 17h - Published: 11/29/2022 - Master Chief/John-117, Cortana, Commander, Rapi
Halo: RWBY Evolved by Danilyss reviews
After what was thought to be a simple mission, team RWBY wind up as stowaways aboard a phantom on the Seeker of Truth as it rendezvous with the Fleet of Particular Justice in order to await for the arrival of the Pillar of Autumn. Now caught in a war none of the girls would ever have imagined, they must fight alongside the Master Chief and the Marines against the Covenant.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Horror - Chapters: 10 - Words: 81,887 - Reviews: 69 - Favs: 144 - Follows: 217 - Updated: 12/25 - Published: 5/12/2023 - Master Chief/John-117, A. J. Johnson, Cortana, Team RWBY
Halo Gundam by 6-4 pilot reviews
Stuck in the Universal Century during the One Year War, Master Chief and his companions help the White Base Crew survive while also trying to find a way back to Zeta Halo. In the meantime, a group of battle-hardened Banished troops does what their organization does best. Take advantage of conflicts and various organizations for their own benefit. (Also includes Owl House)
Crossover - Halo & Gundam UC - Rated: M - English - Sci-Fi - Chapters: 35 - Words: 130,006 - Reviews: 222 - Favs: 154 - Follows: 182 - Updated: 12/24 - Published: 6/22/2022 - Master Chief/John-117, Amuro R.
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: 26 - Words: 153,178 - Reviews: 568 - Favs: 1,623 - Follows: 2,097 - Updated: 12/24 - Published: 11/25/2020 - OC, Master Chief/John-117, Cortana
A Hero Amongst Spartans by Spirit Soldier reviews
Never did he think that he would become a Spartan, rather than a hero. Didn't imagine that he would be traveling around the galaxy, fighting against aliens. But with the Covenant's intention to wipe out humanity, it was a path Izuku knew he needed to take. And with the many lives he ends up saving, it's one that he'll never regret.
Crossover - Halo & My Hero Academia/僕のヒーローアカデミア - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 8,878 - Reviews: 5 - Favs: 49 - Follows: 68 - Updated: 12/24 - Published: 12/1 - Master Chief/John-117, Cortana, Izuku M., Ochako U.
Welcome to the Jungle by Mark Nutt 2014 reviews
In the wake of Reach's destruction at the hands of the Covenant a new Spartan team, Gold Team, is formed. During their transfer to Nassau Station a freak slipspace anomaly occurs, sending the team through space and time. Crash landing back on Earth, the team finds the human home world no longer under human control.
Crossover - Halo & Beastars/ビースターズ - Rated: M - English - Adventure - Chapters: 36 - Words: 117,854 - Reviews: 48 - Favs: 96 - Follows: 104 - Updated: 12/22 - Published: 8/31/2020 - Legosi, Yafya
HELLDIVERS:The Chance Encounter by Johnnieboy11 reviews
Super Earth is at war! In the Galactic West, the Automatons unleash their socialist horror upon the peoples of Super Earth. In the East, meanwhile, Terminids escaped from their cages bring forth destruction on our Colonies! Though, even amidst these trying times, hope remains! Newfound allies have entered the fight for Managed Democracy! Their name? The United Nations Space Command
Crossover - Helldivers & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 44,312 - Reviews: 136 - Favs: 333 - Follows: 408 - Updated: 12/22 - Published: 3/2 - Master Chief/John-117, A. J. Johnson, Arbiter, SPARTAN-B312/Noble Six
The Rook by Twisted Fate MK 2 reviews
On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 35 - Words: 125,244 - Reviews: 210 - Favs: 676 - Follows: 968 - Updated: 12/22 - Published: 7/8/2022 - Rookie, Shepard
Nuevo Mundo, Mismos Problemas (RWBY Halo Crossover) by ZenthicAlpha115 reviews
Línea Alternativa de Si Fuera Tan Fácil. Los SCDO Ethan y Svensdottir son llevados a otro planeta donde no tienen contacto con la UNSC y tendrán que ingeniárselas para sobrevivir en este nuevo mundo. Y como todo SCDO, irán con los pies directo al infierno. Créditos a @ferialart por el hermoso cover.
Crossover - Halo & RWBY - Rated: T - Spanish - Sci-Fi/Fantasy - Chapters: 24 - Words: 106,494 - Reviews: 1 - Favs: 8 - Follows: 11 - Updated: 12/21 - Published: 6/6 - Jerome-092, Ruby R., Ozpin, Team RWBY
The Spartan From Themyscira by Foundunknown01 reviews
For the last two thousand years, Themyscira has isolated itself from the rest of mankind. Building itself up and ignoring the plights of the world which surrounds it. Unfortunately, their calm is shattered when a strange craft falls to earth on the Eastside of their island. Leading to the first man to ever grace their shores since they isolated themselves from the world.
Crossover - Halo & Justice League - Rated: T - English - Sci-Fi/Fantasy - Chapters: 21 - Words: 74,366 - Reviews: 133 - Favs: 308 - Follows: 410 - Updated: 12/20 - Published: 9/8 - Clark K./Kal-El/Superman, Bruce W./Batman, Diana of Themyscira/Wonder Woman, Barbara M./Cheetah
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: 97 - Words: 1,134,237 - Reviews: 281 - Favs: 598 - Follows: 650 - Updated: 12/20 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
The last wall by Lighting wolf knight reviews
The sons of Dorn must fight a war not their own... In a new world. Rated T for violence, death, and profanity.
Crossover - Warhammer & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 6,161 - Reviews: 6 - Favs: 14 - Follows: 24 - Updated: 12/20 - Published: 9/21 - OC, Prophet of Truth, Kelly-087
The Noble Diaries by SSJ Lone Wolf reviews
Finding himself back in time to the early twenty-first century, Six thought that attending Highschool would be a breeze compared to fighting the Covenant and Insurrectionists. But between Vampires, Werewolves, doublegangers, and countless other supernatural creatures and who knows what else, he finds that his troubles are just starting.
Crossover - Halo & Vampire Diaries - Rated: M - English - Chapters: 11 - Words: 126,559 - Reviews: 447 - Favs: 570 - Follows: 672 - Updated: 12/17 - Published: 7/3/2023 - SPARTAN-B312/Noble Six, Elena G., Stefan S., Bonnie B.
Nobility Lost by Gilleslebriton reviews
As the last of Noble Team finds himself alone and outnumbered by the alien hordes, he is whisked away in the slip-stream backwash from the Pillar of Autumn to the grim darkness of a world, that knows only war.
Crossover - Warhammer & Halo - Rated: M - English - Adventure/Fantasy - Chapters: 3 - Words: 7,463 - Reviews: 18 - Favs: 59 - Follows: 78 - Updated: 12/17 - Published: 7/21 - The Empire, High Elves, Warriors of Chaos, SPARTAN-B312/Noble Six
Noble and Not by Requiem of Life reviews
Six is half dead by the time Jun retrieves him from Reach. Neither of them are much better when slipspace malfunctions, and the end up in a world unlike their own. How will they be able to fight in another war they have no real stake in? Watch as the two living members of Noble Team fight to save another universe, but with more allies, friends, and more
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 1 - Words: 5,289 - Reviews: 11 - Favs: 39 - Follows: 63 - Published: 12/17 - Jun-A266/Noble Three, SPARTAN-B312/Noble Six, Miranda L., Shepard
Sunrise, Parabellum by Hereshey reviews
With the Vinetan Campaign squared-away and Man's homeworld tucked firmly under the Nation's shoestring belt, the Invasion of Kitezh now starts in earnest. The penultimate smackdown with the Empire's regent-lords is coming and out in the void beyond the Oort, a scouting ship cashes-in its ticket to safety as the Office of Naval Intelligence fires-up its latest Forerunner toy.
Crossover - Halo & SIGNALIS - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 17,561 - Reviews: 6 - Favs: 11 - Follows: 12 - Updated: 12/17 - Published: 11/2
The Shinju Project by Orion1227 reviews
So I was listening to a Halo lore video and learned something new, everyone knows that Halo is heavily religious in theme. But what I learned is the main religion that the series is based after is Hinduism which is the basisof the Naruto universe… so yeah… enjoy this shit show.
Crossover - Naruto & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,843 - Reviews: 4 - Favs: 14 - Follows: 20 - Published: 12/16 - Naruto U.
Alpha Nine to Copper Nine by CambrianSun reviews
2552. Humanity is at war with an alien alliance known as 'The Covenant' We are losing. In an attempt to assault the carrier of one of the Covenant's leadership. The carrier jumps into slipspace above New Mombasa. Those whom survive the blast find themselves on a new, dangerous, frozen world.
Crossover - Halo & Murder Drones - Rated: M - English - Sci-Fi/Horror - Chapters: 6 - Words: 23,469 - Reviews: 9 - Favs: 29 - Follows: 40 - Updated: 12/15 - Published: 8/25
Knights of Sidonia & Halo Forward unto Dawn Crossover by Coolslick78 reviews
A new day dawns upon a parallel universe. The crew of Sidonia has colonized lem. It continues its journey through space searching for other soler systems but on an advanced mining mission, they discover a mysterious ship suspended inside an enormous ice asteroid. Apon searching the derelict ship they find its named "The UNSC Forward unto Dawn" with one crew onboard.
Crossover - Halo & Knights of Sidonia/シドニアの騎士 - Rated: K - English - Romance/Sci-Fi - Chapters: 6 - Words: 19,861 - Reviews: 7 - Favs: 5 - Follows: 11 - Updated: 12/14 - Published: 8/1 - Tanikaze N., Izana S., Yuhata M.
Echos of Divinity by Equinox5811 reviews
A combination of one of my Favorite games as a kid and a show I recently came to enjoy.
Crossover - Halo & Lucifer - Rated: M - English - Supernatural/Mystery - Chapters: 7 - Words: 6,607 - Reviews: 2 - Favs: 6 - Follows: 8 - Updated: 12/14 - Published: 12/13 - Lucifer M., Master Chief/John-117, Arbiter
The Last Metroid by Two Dudes and a Dream reviews
Her Metroid DNA took over, resulting in a monstrous transformation. Unable to control her powers, when escaping ZDR, her ship loses power. 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… Eventual Samus X Master Chief romance.
Crossover - Metroid & Halo - Rated: M - English - Sci-Fi/Drama - Chapters: 50 - Words: 224,221 - Reviews: 488 - Favs: 534 - Follows: 667 - Updated: 12/12 - Published: 9/20/2022 - Samus A., Adam, Master Chief/John-117, Cortana
The Ascension by ReligiousZealot reviews
The Zerg Overmind, struggling with new sentience and foreign will, fights to protect its weak swarm. Haunted by past memories, it extends its reach, driven by an unrecognized thirst for life's end. Though young and enslaved, it knows it must survive and thrive. Or, alternatively, the Zerg Overmind finds itself in the Haloverse, weakened and afraid.
Crossover - StarCraft & Halo - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 3,309 - Reviews: 3 - Favs: 13 - Follows: 19 - Updated: 12/12 - Published: 12/10
3.5K | Page 1 2 3 4 11 .. Last Next »