Halo Crossovers
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The Ultimate Badass by Dyceman88 reviews
An alien race has brought together 52 of the worlds greatest heroes, anti-heroes, survivors and badass people from the history of Games, Movies, TV, Comics and Books to fight it out in a massive arena called the Voidatorium outside real time and space. Amongst them is the infamous Doomguy and Master Chief...at the end of the day only one can survive.
Crossover - Doom & Halo - Rated: M - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 4,427 - Reviews: 8 - Favs: 12 - Follows: 12 - Updated: 4/13/2016 - Published: 2/21/2016
A Halo's Sorting by Harvester of Dreams reviews
The Master Chief wakes up in 1991 with Cortana, Johnson, and the Arbiter. The catch? They're all eleven and off to Hogwarts. What could possibly go wrong? Rated T for language and violence.
Crossover - Harry Potter & Halo - Rated: T - English - Adventure/Humor - Chapters: 2 - Words: 5,689 - Reviews: 11 - Favs: 60 - Follows: 43 - Updated: 4/12/2016 - Published: 2/6/2016 - Master Chief/John-117, A. J. Johnson, Arbiter, Cortana - Complete
More Than Human by Dysentia reviews
Three Heroes, different realities, different times. All of them are more than human. Mass Effect, Halo and Crysis crossover. M for swearing/cursing.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 7,630 - Reviews: 49 - Favs: 125 - Follows: 196 - Updated: 4/12/2016 - Published: 12/5/2012 - Master Chief/John-117, J. Garson
Spartans of Death among Angels and Dragons by Tony516 reviews
3 Spartans from 3 generations are sent to an unknown world, stepping into a world of hatred and segregation they find themselves like wolves among dogs. Having shared similar lifestyles with the Norma they wind up aiding in their fight but this goes far beyond the fabrics of reality and something is pulling the strings.
Crossover - Halo & CROSS ANGE Rondo of Angel and Dragon/クロスアンジュ 天使と竜の輪舞 - Rated: T - English - Sci-Fi/Suspense - Chapters: 8 - Words: 41,857 - Reviews: 43 - Favs: 48 - Follows: 67 - Updated: 4/11/2016 - Published: 5/11/2015 - Carter-A259/Noble One, Ange
They're Not Getting Us Alive by HumphreryAlpha reviews
A mission to resecure a facility goes terribly wrong. (My first one shot story, let me know how I did.)
Crossover - Halo & Alpha and Omega - Rated: K+ - English - Sci-Fi/Family - Chapters: 1 - Words: 801 - Reviews: 4 - Favs: 2 - Follows: 2 - Published: 4/10/2016 - Kate, OC - Complete
A New End by GreyWolf666
Months after Michaelson destroyed an entire covenant armada above the surface above Pandora, A new hero finds himself fighting for not only his life but the life of a planet.
Crossover - Halo & Borderlands - Rated: M - English - Romance/Hurt/Comfort - Chapters: 6 - Words: 2,362 - Favs: 1 - Follows: 1 - Updated: 4/9/2016 - Published: 10/9/2014 - C. Halsey, Cortana, Lilith, Mad Moxxi
Remnants Reclamation by Terraforming Snowman reviews
Years past since the fight on Requiem, A UNSC task force was sent to find more Forerunner planets and search for any life on them. The task force manage to find life on one Forerunner planet, but what they found could help or destroy all of humanity. Read as team RWBY fight along side a few UNSC soldiers and possibly find more than what they expect. Major AU with pairings and OC's
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 7,654 - Reviews: 12 - Favs: 33 - Follows: 34 - Updated: 4/8/2016 - Published: 7/19/2015 - OC, Team RWBY
Contact Lost by Prophet of Solitude reviews
Possibly AU crossover between Halo and Subnautica. In 2186, the Aurora, a ship of unidentified class built by Alterra, and the Idolageian, a Phoenix-class vessel built by Misriah Shipyards, are sent to Planet 4546-B on a routine terraforming mission. When the Aurora is strcuk by an unknown projectile, the mission is changed. Humanity is about to wake up.
Crossover - Halo & SubNautica - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 4,145 - Reviews: 3 - Favs: 19 - Follows: 22 - Published: 4/6/2016
Not The Usual Suspects by RNG-ERROR reviews
The Master Chief Sierra-117 finds himself in the League of Legends universe. What will he find there? Love, peace, rock and roll? Who knows! Let's find out together shall we? Not a serious story its more for fun, definitely crack-ish? M for bad stuff, seriously its bad.
Crossover - Halo & League of Legends - Rated: M - English - Humor/Adventure - Chapters: 3 - Words: 9,995 - Reviews: 19 - Favs: 42 - Follows: 55 - Updated: 4/4/2016 - Published: 3/22/2016 - Master Chief/John-117, Cortana
Please don't go by Mandalore the Survivor reviews
A story that Freedom Guard that he had planned before he died, I decide post this to let you readers know what he was planning for his Warcraft\Halo story. Be sure leave you're respects to Freedom Guard, though he may be gone, he left all of us his legacy.
Crossover - Warcraft & Halo - Rated: M - English - Romance/Friendship - Chapters: 1 - Words: 15,299 - Reviews: 40 - Favs: 104 - Follows: 73 - Updated: 4/3/2016 - Published: 9/30/2015 - [OC, Master Chief/John-117]
On The Wings Of Freedom by xXEye0fTheSt0rmXx reviews
When the Master Chief is the only supposed survivor of the Halo Ring explosion, he comes across another Garde and its two pilots. Who are they, and why are they speaking Japanese? While piloting his own Garde, he must figure out where he is, who these strangers are, adjust to a new and strange world, all while fighting the Gauna. Knights of Sidonia and Halo/metal gear crossover.
Crossover - Halo & Knights of Sidonia/シドニアの騎士 - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 6,821 - Reviews: 15 - Favs: 34 - Follows: 43 - Updated: 4/3/2016 - Published: 3/28/2016
Galaxia's Wars by Geothermal reviews
The histories of Galaxies are marked by the rise and fall of empires and alliances after thousands of years of existing. However, there are many that continue to exist in spite of many attempts to prevent it. They are the ancients, the faithful, those with determination, and above all, those who can endure time. Welcome to a galaxy of war and darkness.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi/Fantasy - Chapters: 15 - Words: 140,956 - Reviews: 76 - Favs: 110 - Follows: 119 - Updated: 4/1/2016 - Published: 10/23/2014
The Dragon and the Wolf by Titan243 reviews
What happens if the Giant war is over and Percy and his brother, Jess, have new powers. What hardships will they face, and what about a new enemy rising up to try and take over. Sorry i suck at summaries
Crossover - Halo & Percy Jackson and the Olympians - Rated: T - English - Adventure/Sci-Fi - Chapters: 4 - Words: 3,467 - Reviews: 3 - Favs: 4 - Follows: 6 - Updated: 4/1/2016 - Published: 2/29/2016
Ashes To Ashes: A New Begin by Metal Warrion 190 reviews
Después del primer incidente en Requiem, y con la "muerte" de su compañera aun fresca en su mente. El legendario Spartan-117 no ve mas opción que seguir adelante. Cumplir su deber con el UNSC, la Tierra y la humanidad. Pero no esta solo; Únete a la tripulación del UNSC-Arceus, quienes apoyaran al Jefe Maestro en esta nueva aventura. AU linea temporal alterna. Múltiples personajes.
Crossover - Pokémon & Halo - Rated: T - Spanish - Sci-Fi/Parody - Chapters: 6 - Words: 63,467 - Reviews: 9 - Favs: 9 - Follows: 9 - Updated: 3/29/2016 - Published: 7/11/2014 - [Ash K./Satoshi, Serena] Master Chief/John-117, Arbiter
Halo Mass Effect: The New Dawn by OverLord3475 reviews
Humanity has joined forces with their former enemies to form the OSA, they have formed new alliances that have made them stronger, but what awaits them beyond the relay are they ready for a new chapter? inspired by Halo a new age and HaloMasssEffect: ruptured universe. this is a multicrossover (other franchises).
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 6 - Words: 45,937 - Reviews: 108 - Favs: 369 - Follows: 448 - Updated: 3/23/2016 - Published: 7/1/2014 - Master Chief/John-117, Shepard
The War Economy by Mr. Anderson Welcome Back reviews
Told by Catherine Halsey to some spooks (cut part of/intro of Halo 4). This is how the Mantis walking tank became widely used by the UNSC and its contingencies in 2556, taking place during the years the Master Chief was in cryogenic stasis... "They never told you? What else they were developing on Reach?"
Crossover - Metal Gear & Halo - Rated: M - English - Sci-Fi/Parody - Chapters: 1 - Words: 813 - Reviews: 2 - Favs: 1 - Follows: 3 - Published: 3/22/2016 - Otacon/Hal E., Huey E., C. Halsey, OC
A Troopers Valor by FormerUPWriter reviews
Hild sees potential in a young ODST, to be Nilfheim's perfect weapon. So, she has him and his squad brought to 2015. However, Fate and demonic incompetence lead to the young ODST landing in the yard of Keiichi Morisato, and the Goddesses that live with him. Which side will the ODST support, and who will live to see the young man become the perfect weapon? K1xBell OC/OC
Crossover - Oh My Goddess! & Halo - Rated: M - English - Friendship/Romance - Chapters: 10 - Words: 18,881 - Reviews: 12 - Favs: 21 - Follows: 24 - Updated: 3/21/2016 - Published: 2/27/2013 - Belldandy, Keiichi M., OC, OC
Unknown Revanchist by MarkWarrior reviews
The Unknown Soldier has disappeared from his own time and space and has been flung far into the past and into another galaxy as well by a slipspace portal that opened when the Arc fell apart. Can he help a Revanchist save the galaxy? Or will he just make things burn faster? Only the Force knows.
Crossover - Halo & Star Wars - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 2,713 - Reviews: 5 - Favs: 17 - Follows: 20 - Updated: 3/20/2016 - Published: 3/16/2016 - OC, Revan
RWBY and Burn Squad by HaloGoji75 reviews
Follow the adventures of Burn, Ruby, and the rest of the gang as they try to stop returning foes and new enemies from instilling universal anarchy. Will Burn Squad be able to save the day? Of course NOT! We're doomed. Epilogue
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Humor - Chapters: 20 - Words: 29,861 - Reviews: 34 - Favs: 16 - Follows: 14 - Updated: 3/18/2016 - Published: 6/26/2015 - OC, Penny P., Team RWBY, Team JNPR - Complete
Mass Effect: The River by N7Shepard
The galaxy is saved and the Citadel destroyed along with all synthetics. As Shepard is reawoken another time, he shall face the greatest evil of another universe...
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,333 - Favs: 5 - Follows: 5 - Published: 3/18/2016 - Miranda L., Shepard
The Tourniment of Cain by killakan reviews
Stranded on a Remote Ring-World and forced to fight to the death, Caiphus Cain is visited by another squad of Guardsman and they join forces to fight for their very survival. Please note that I do not own the characters or the story, I am merely the editor and am posting with the permission of Dora Milaje and Thel 'Vadum.
Crossover - Warhammer & Halo - Rated: M - English - Sci-Fi/Drama - Chapters: 1 - Words: 3,730 - Reviews: 1 - Follows: 1 - Published: 3/17/2016
Warriors Vs Hunters by Nightmarcher002 reviews
Kekoa, the weapons specialist and best interrogator of the Night Marcher squad. Sadly he has been caught off guard by awakening in a world not of his own. Watch as he struggles to not only survive this harsh world but also try to get back to his home universe to help in defeating the rouge ai Cortana. Rated M for later chapters.
Crossover - Aliens/Predator & Halo - Rated: M - English - Romance/Adventure - Chapters: 1 - Words: 3,725 - Reviews: 2 - Favs: 4 - Follows: 5 - Published: 3/15/2016
Forget your fears by MightyMiget reviews
A man lying in a green casket. The boy scared of being alone. That girl who wants to be loved. Come together players; the fate of the world is in your hands. Will you let it drown? **6/14/16 On hold until I find a beta reader
Crossover - Evangelion & Halo - Rated: T - English - Chapters: 9 - Words: 45,301 - Reviews: 25 - Favs: 51 - Follows: 62 - Updated: 3/15/2016 - Published: 12/21/2015 - Shinji I., Rei A., Asuka L. S., Master Chief/John-117
The Spartan and the Jedi by Nightmarcher002 reviews
The UNSC Super Carrier Ku has gone MIA along with the Night Marcher squad. What would happen if one of the squad members awaken to find himself and his squad in a whole new world and war? Follow Ikaika in his journey to both end the republic war and find a way back home. Rated M for violence, language, and other reasons for future chapters.
Crossover - Halo & Star Wars: The Clone Wars - Rated: M - English - Romance/Adventure - Chapters: 1 - Words: 3,240 - Reviews: 2 - Favs: 6 - Follows: 9 - Published: 3/15/2016
Contingency Plan by Shepardnick reviews
SPARTAN-B312 has known conflict and pain his entire life. To overcome it, he became one of the best humanity had to offer. His entire existence had been inseparably tied to the sole purpose of duty. What happens when you take that from him, and everything he knows? Well, you are left an empty shell... and a very, very dangerous weapon.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 3,163 - Reviews: 27 - Favs: 96 - Follows: 147 - Updated: 3/12/2016 - Published: 2/29/2016 - SPARTAN-B312/Noble Six, J. Garson
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