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Dead Or Alive:Finishing The Fight by Who Let This Guy On reviews
When the Forward Unto Dawn crash lands 500 years in the past on earth, it sets the stage for untold repercussions for the whole of humanity. When the super soldier finds himself as a potential entree into the years DOA tournament however it sets the stage for Victor Donovan and the rest of the Doa World to finally see what a "Perfect Weapon" is capable of.
Crossover - Dead or Alive & Halo - Rated: M - English - Adventure - Chapters: 9 - Words: 74,859 - Reviews: 182 - Favs: 281 - Follows: 357 - Updated: 1/18 - Published: 5/28/2016 - Ryu Hayabusa, Kasumi, Master Chief/John-117, Cortana
How to Train Your Ancilla by cjh2099
Yr:2555 A.D. Planet:FP-089 Research Outpost: Berk Lieutenants Hiccup H. Haddock III & Astrid Hofferson embark on an impossible mission neither signed up for. Cunning twists hinder progress as they unify against the forces of power and greed to save life as they know it. Their mission: uncover the lost technology of the Forerunners...but along the way, dark secrets are unraveled...
Crossover - Halo & How to Train Your Dragon - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 8,641 - Favs: 4 - Follows: 6 - Updated: 1/17 - Published: 1/4 - Astrid, Hiccup
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: 7 - Words: 45,769 - Reviews: 80 - Favs: 182 - Follows: 241 - Updated: 1/16 - Published: 4/19/2016 - Master Chief/John-117, Arbiter, Ruby R., Team RWBY
Halo 2: World of Absolution by Mkchief34 reviews
The Covenant onslaught against humanity has been slowed, but it has not been stopped. Filled with fury, they turn their eyes from Earth to a world of immortal conflict, known as Remnant. As the UNSC races against time to aid the planet, will the powers of Huntsmen and Huntresses be enough to save their world from complete devastation? Set during Volume 3 of RWBY. Slight Halo AU.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 7 - Words: 10,266 - Reviews: 19 - Favs: 46 - Follows: 69 - Updated: 1/15 - Published: 10/23/2019 - Master Chief/John-117, Cortana, Ozpin, Team RWBY
Soldiers of Hell by Leo Connors reviews
Two newcomers end up in Hell. But unlike everyone else, these two weren't even meant to be here. Charlie and the gang end up in the presence of two badasses who are struggling to find their way in Hell. Not the best description, but fuck off. Rated M for strong language and eventual sexual references. Using my own twist on the Halo world with my OC and a friend's. Charlaggie, OCxOC
Crossover - Halo & Hazbin Hotel - Rated: M - English - Humor/Sci-Fi - Chapters: 1 - Words: 5,427 - Reviews: 4 - Favs: 4 - Follows: 5 - Published: 1/14 - Alastor, Angel Dust, Charlie, Vaggie
Ruby B-312, The Fall of Reach by lrdchief reviews
Branchoff of my other story, Spartan Ruby B-312 Noble 6, Team RWBY watch the fall of Reach through their leader's eyes.
Crossover - RWBY & Halo - Rated: T - English - Sci-Fi/Tragedy - Chapters: 10 - Words: 34,596 - Reviews: 11 - Favs: 69 - Follows: 82 - Updated: 1/13 - Published: 3/15/2019 - Ruby R., SPARTAN-B312/Noble Six, Team RWBY - Complete
Land of Heroes by Harbinger Of Kaos reviews
This is my attempt at Halo cross, please respect the fact that i am not entirely familiar with this universe, in which universe Marvel or DC it begins in is entirely up to me and you, so with that said lets begin, there will be strong language and gore.
Crossover - Marvel & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 17 - Words: 224,133 - Reviews: 719 - Favs: 1,314 - Follows: 1,239 - Updated: 1/12 - Published: 12/15/2010 - Master Chief/John-117
Halocraft by jojobinks01 reviews
As the infinity tried to escape the created, they were unaware of what they were about to discover that may change everything forever.
Crossover - StarCraft & Halo - Rated: T - English - Adventure - Chapters: 6 - Words: 7,435 - Reviews: 13 - Favs: 42 - Follows: 53 - Updated: 1/12 - Published: 10/15/2019 - OC, Master Chief/John-117, Cortana, T. Lasky
The Hyper Lethal of the Uzumaki clan by SSJ Lone Wolf reviews
Spartan-B312, the Lone Wolf, the Grim Reaper, the Black Death and the second Spartan to earn the rating of Hyper Lethal Vector. before all of that however he was simply Rai Uzumaki, oldest son of Minato, Kushina and older brother to Naruto. after thirteen years of being "dead" he finally returns to a place he never thought he would..Home. Being Rewritten.
Crossover - Halo & Naruto - Rated: M - English - Chapters: 9 - Words: 30,575 - Reviews: 103 - Favs: 229 - Follows: 263 - Updated: 1/8 - Published: 7/13/2017 - [Kushina U., Minato N.] SPARTAN-B312/Noble Six
Operation GALAXY:The Spartan of the Republic by Johnnieboy11 reviews
After the destruction of Reach and his days-long resistance upon the dying world, Noble Six wakes, alone, but armed to the teeth, in a Galaxy Far, Far Away... Under attack from unknown enemies, the Spartan will be faced with tough choices as he fights to help a Republic beset by war in a world he remembers faintly.
Crossover - Halo & Star Wars: The Clone Wars - Rated: T - English - Romance/Sci-Fi - Chapters: 5 - Words: 15,512 - Reviews: 44 - Favs: 222 - Follows: 304 - Updated: 1/6 - Published: 4/16/2019 - SPARTAN-B312/Noble Six, Ahsoka T., Anakin S., Captain Rex
Remnants of the Spartans: Aeon Apotheosis by Rainbow Productions
Something has happened. The Apotheosis has begun, something far greater than the Gods, Salem, the Forerunners. We don't know what it will bring, we just need to be ready for it.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 6,571 - Favs: 3 - Follows: 2 - Published: 1/6
The Pegasus Intervention by kaln7 reviews
With the Covenant war over the UNSC can finally begin exploring the universe, but there first step outside their galaxy could lead them to another enemy that would prefer to feed on them instead of destroying them, can one ship survive in a galaxy teaming with an overwhelming enemy or will they get help from a group of humans who are also exploring the universe themselves.
Crossover - Halo & Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 87,203 - Reviews: 114 - Favs: 198 - Follows: 275 - Updated: 1/5 - Published: 4/7/2017
Battle for Christophsis by Ranschaj reviews
A series of perspectives as the Empire fights to retake Christophsis from a new and mysterious enemy.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 9,763 - Reviews: 20 - Favs: 34 - Follows: 46 - Updated: 1/5 - Published: 12/17/2019 - Darth Vader, Thrawn
A Demon's Venom by LuWickios97 reviews
Ebony the Mightyena once was living happily with her family, only to have them stripped away from her forcefully. Now she has to survive in a cold and ruthless world.
Crossover - Pokémon & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 17,039 - Reviews: 2 - Favs: 1 - Follows: 1 - Updated: 1/5 - Published: 3/20/2018 - Latios, Absol, Mightyena/Guraena, Liepard/Lepardas
Debt unpaid by Dgreen20 reviews
Some debts can't be wiped away so easily. A monetary debt can be paid off in time, but a life debt will never truly be repaid. A super soldier, torn from the losing end of a suicidal battle for survival, And a girl, trapped in a tower her entire life. How can a soldier with nothing, repay a woman who yearns for freedom? "Don't make a girl a promise, if you know you can't keep it."
Crossover - Halo & BioShock - Rated: T - English - Adventure/Humor - Chapters: 6 - Words: 32,174 - Reviews: 12 - Favs: 31 - Follows: 54 - Updated: 1/4 - Published: 12/3/2017 - [OC, Elizabeth] Booker D.
The Witcher: A Different Kind Of Wolf by SSJ Lone Wolf reviews
Noble Six expected to die alone of Reach after he had watched his team be picked off one by one and after delivering the package; alas fate has other ideas when he is rescued by a Forerunner Monitor. After being given a well needed upgrade and his first A.I partner, Six finds himself transported to a world where Elves, Witches and monsters are an every day occurrence.
Crossover - Halo & Witcher - Rated: M - English - Chapters: 4 - Words: 20,480 - Reviews: 123 - Favs: 460 - Follows: 588 - Updated: 1/4 - Published: 3/9/2017 - [SPARTAN-B312/Noble Six, Triss Merigold] Geralt of Rivia, Ciri
Book One: Dawn of a New Age by DragonheartODST reviews
Humanity had been expanding across the stars for over 5 centuries in relative peace. But an alien alliance known as the Covenant wishes to destroy humanity entirely. Now threatened with extinction, can the fate of just one battle-scared survivor change the events of the war and those participating in it? Multi-crossover with Halo, Mass Effect, and a little bit of StarCraft. Hiatus
Crossover - Halo & Mass Effect - Rated: T - English - Adventure - Chapters: 14 - Words: 131,491 - Reviews: 289 - Favs: 312 - Follows: 368 - Updated: 1/3 - Published: 5/19/2016
Halo, Equestrian Covenant by ShadySteps reviews
Equestria, the stellar empire long joined together with the Covenant has commissioned an inquisition into the crusade against Humanity, such a monumental task falls into the hooves of the diligent Twilight Sparkle. Granted the title of Inquisitor can the Unicorn bring herself to admit the terrible truth should she find it?
Crossover - My Little Pony & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 63,540 - Reviews: 9 - Favs: 17 - Follows: 23 - Updated: 1/3 - Published: 8/13/2019 - Twilight Sparkle, J. Keyes
Element Halo by Iron Warriors reviews
When we started to expand past the Orin Arm of the Milkyway, we didn't know what to expect. Once we were out there though, things changed big time. For those brief 30 years we were the top dogs of the galaxy in all powers but like always when humanity reaches a higher seat of power, something always comes to make us fall... This time however the fall will cost our entire race.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 25 - Words: 85,332 - Reviews: 254 - Favs: 501 - Follows: 721 - Updated: 1/2 - Published: 12/11/2017 - OC
Those That Dare by BammaJamma23 reviews
What happens when the frigate UNSC Washington is told to investigate certain leads that tell of a colony that went dark even before colonization attempts were started? A Halo/Dragon Prince crossover.
Crossover - Halo & Dragon Prince - Rated: M - English - Sci-Fi/Fantasy - Chapters: 10 - Words: 25,121 - Reviews: 11 - Favs: 25 - Follows: 33 - Updated: 1/2 - Published: 12/24/2019
The Covenant Empire vs the Galactic Empire by Superoof reviews
This is an alternate universe. A universe designed for one of the most sought after adventures; A savage war between the Covenant Empire and the Galactic Empire. To create such a scenario... the Spartan Program was never completed in time, the Prophets focused on the humans rather than the rings and the flood, and Padme died with her two baby twins.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 8 - Words: 13,287 - Reviews: 14 - Favs: 21 - Follows: 20 - Updated: 1/2 - Published: 7/28/2019
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: 29 - Words: 260,827 - Reviews: 310 - Favs: 345 - Follows: 379 - Updated: 1/1 - Published: 1/2/2017 - Anakin Skywalker, Aayla S., Ahsoka T., Rtas 'Vadumee
This, Our Galaxy by Jocson reviews
A short history of the Orion Arm of the Milky Way Galaxy, from the perspective of those existing within Systems Alliance space, submitted as part of my qualifying project on governmental analysis. July 25, 2585.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Friendship - Chapters: 2 - Words: 7,752 - Reviews: 8 - Favs: 17 - Follows: 20 - Published: 12/31/2019 - Complete
The Leviathan and The Relic by Ludum reviews
The fleeing refugees of the 12 Colonies encounter the UNSC Infinity. It seems that their problems are over as the UNSC can easily steamroll the Cylons with just this one ship. But what if the Cylons knew of a weapon that can wipe out all humanity more efficiently than nuclear bombardment of 12 planets?
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Chapters: 2 - Words: 11,636 - Reviews: 93 - Favs: 198 - Follows: 309 - Updated: 12/31/2019 - Published: 6/23/2019
Halo: The War on Sera by SwedishEmperorThe1 reviews
After the final battle at the Ark, the Master Chief and his friends finds themselves on the obscure planet of Sera. There they've to team up with Sergeant Marcus Fenix and his Delta Squad to once again save humanity from enemies desiring its extermination, as well uncover hidden conspiracies that could determine the very fate of the universe.
Crossover - Halo & Gears of War - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 47,085 - Reviews: 51 - Favs: 111 - Follows: 131 - Updated: 12/30/2019 - Published: 12/26/2015 - Master Chief/John-117, Marcus F.
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