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Stargate SG-1: The Fifth Race by i-defy-fate reviews
AU! Heavily inspired by the story: Project Blue Book by AmeliusTheAlteran. Elements of Halo will be here as well because I love the design of the ships, weapons, and equipment they use. This is a story of what a united earth could accomplish when given a common goal. I plan for this to be at least 200-250K words. No pairings! Slow Updates!
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 16,922 - Reviews: 27 - Favs: 130 - Follows: 185 - Updated: 9/3 - Published: 11/23/2019 - S. Carter, D. Jackson, J. O'Neill, Teal'c
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: 9 - Words: 47,565 - Reviews: 19 - Favs: 53 - Follows: 87 - Updated: 9/2 - Published: 4/26
The War Between the Stars by XxxMiguelfanfiction reviews
Year 2557, Humanity manages to defeat the Didacta, with the Master Chief managing to save Cortana at the last moment. With Cortana and the Master Chief, the UNSC begins a rapid rise. In the year 2558 after a test of the Desliespace Engine, Humanity arrives in the Andromeda galaxy, beginning a new age of colonisation. What will happen when they learn of the Clone Wars and the rise
Crossover - Star Wars & Halo - Rated: T - English - Humor/Sci-Fi - Chapters: 1 - Words: 1,619 - Reviews: 5 - Favs: 29 - Follows: 47 - Published: 9/2
Mantle Of Responsibility by GeorgeQuartz reviews
10 Years after the Human-Covenant war and an Alliance between the Sangheili and Humanity keeps that Milky Way stable, soon though, a dead battlefield is discovered and the discovery encounter leads to UNSC military forces being deployed to the edge of the Andromeda Galaxy, also known as... The Outer Rim. Ongoing (21BBY & 2564 AD Story start year)
Crossover - Halo & Star Wars - Rated: T - English - Sci-Fi - Chapters: 25 - Words: 236,067 - Reviews: 368 - Favs: 832 - Follows: 958 - Updated: 9/1 - Published: 6/17/2020 - Ahsoka T., Fives, Rookie, OC
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: 5 - Words: 18,810 - Reviews: 60 - Favs: 265 - Follows: 356 - Updated: 9/1 - Published: 11/29/2022 - Master Chief/John-117, Cortana, Commander, Rapi
The Furious Wolf by SSJ Lone Wolf reviews
Years after the Fall of Reach, Noble Six and Auntie Dot find themselves transported back to the early twenty-first century. But when everyone's favourite Lone Wolf crosses paths with Dominic and Mia Toretto, he finds himself becoming apart of their family regardless if he wants to or not. But the question remains, but the end what will remain...man or machine?
Crossover - Fast and the Furious & Halo - Rated: M - English - Chapters: 18 - Words: 114,107 - Reviews: 578 - Favs: 929 - Follows: 1,024 - Updated: 8/31 - Published: 10/27/2021 - [SPARTAN-B312/Noble Six, Mia]
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: 10 - Words: 19,253 - Reviews: 82 - Favs: 274 - Follows: 389 - Updated: 8/31 - Published: 4/27
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: 4 - Words: 19,198 - Reviews: 1 - Favs: 7 - Follows: 7 - Updated: 8/30 - Published: 7/29 - OC, Izuku M., 1-A Students
BattleTech: Combat Evolved - Definitive Edition by IX404 reviews
We all know the tale. The SLDF under Aleksandr Kerensky's command leaves the Inner Sphere forever, before evolving into the Clans following Operation KLONDIKE. What if this was not the case? What if the entire Exodus fleet suffered a misjump that propelled them into another universe, one where Humanity will reclaim an ancient inheritance? This is the story of that possibility.
Crossover - Mechwarrior/Battletech & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 2 - Words: 22,690 - Reviews: 15 - Favs: 93 - Follows: 112 - Updated: 8/30 - Published: 8/24 - Master Chief/John-117, Arbiter, 343 Guilty Spark, C. Halsey
Damaged Stars by Lighting wolf knight reviews
With his fleet caught in a vicious war? The Arbiter's must deal with an enemy unlike their own. Rated T for violence, death, and profanity.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 3,094 - Reviews: 2 - Favs: 12 - Follows: 14 - Updated: 8/29 - Published: 4/25 - General Grievous, OC, Arbiter
Halo: Un cuento de los Siete Reinos by Freakman Vityaz reviews
En el año 2559/296 D.C., el UNSC inicia la colonización del recien descubierto sistema estelar "Omega Ascalon" en un intento por evacuar a supervivientes de los ataques de "Los Desterrados". Mientras tanto, en el continente occidental del planeta, sus habitantes pronto enfrentarán el cambio de reglas en el "Juegos de Tronos", cuando un lobo solitario vuelve al servicio activo.
Crossover - Halo & A song of Ice and Fire - Rated: M - Spanish - Sci-Fi/Fantasy - Chapters: 8 - Words: 73,147 - Reviews: 25 - Favs: 12 - Follows: 26 - Updated: 8/29 - Published: 2/12
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: 84 - Words: 417,228 - Reviews: 337 - Favs: 719 - Follows: 844 - Updated: 8/29 - Published: 9/30/2021 - [Harry P., Hermione G., Daphne G.] Master Chief/John-117
The UNSC in a galaxy far far away by Xenofoxwolf reviews
What happens when someone gets Isekaied into the Star wars galaxy at the start of the invasion of the Naboo with a modified halo Wars unsc that takes units from the Covent and banished in a unsc style along with some lepi and the ability to unlock new halo technologies over time, How will this affect the Star wars galaxy?.
Crossover - Halo & Star Wars - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 5,634 - Reviews: 9 - Favs: 39 - Follows: 55 - Updated: 8/29 - Published: 8/5
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 and Chapters will be EXTENDED.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 5,873 - Reviews: 7 - Favs: 21 - Follows: 23 - Updated: 8/29 - Published: 7/29 - Catherine-B320/Kat/Noble Two, Carter-A259/Noble One, SPARTAN-B312/Noble Six, Pyrrha N.
The Mantle of Remnant by KtyouVsWriting reviews
The Master Chief has saved Humanity at the cost of Cortana, one of his few remaining friends. More than he will admit, John relied on her, cared for her. To no longer have her means to lose another part of his humanity. Still the universe keeps going and once again, he is called to serve and protect Mankind. Now he has a choice: does he brave Remnant alone or does he embrace help?
Crossover - Halo & RWBY - Rated: M - English - Adventure/Friendship - Chapters: 27 - Words: 150,738 - Reviews: 747 - Favs: 1,525 - Follows: 1,956 - Updated: 8/28 - Published: 5/16/2019 - Master Chief/John-117
The Terran Calamity by F35B reviews
(Formerly United Freedom) The Republic finds a small planet on the edge of their space but little do they know the repercussions of their actions. The Terran Eagle will not accept any compromises, nor will any of her citizens. (Halo Inspired Universe) (Star Wars Canon Universe) (Hiatus)
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 8 - Words: 71,532 - Reviews: 137 - Favs: 383 - Follows: 488 - Updated: 8/27 - Published: 1/3 - OC
Empires Unite! Milky Way by SapphireDawn11709 reviews
When the SGC Destroys the Quantum Mirror after the incident were Doctor Carter and Major Kawasaki appear in Area 51a ripple was sent across the multiverse. When this ripple hit a Forerunner portal chaos ensues as fleets from three universe appear in the Milky Way. Starship Troopers, Mass Effect, Halo Stargate
Crossover - Stargate: SG-1 & Halo - Rated: M - English - Sci-Fi - Chapters: 4 - Words: 16,501 - Reviews: 43 - Favs: 208 - Follows: 249 - Updated: 8/27 - Published: 6/24/2019 - T. Lasky, S. Carter
Blood for blood by Lighting wolf knight reviews
As the emperor falls, a new one ascends and his angels take flight... Into a galaxy that needs them. Rated T for violence, death, and profanity.
Crossover - Warhammer & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 9,770 - Reviews: 1 - Favs: 5 - Follows: 9 - Updated: 8/26 - Published: 8/5 - Space Marines, OC, Kelly-087
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: 76 - Words: 898,949 - Reviews: 211 - Favs: 441 - Follows: 473 - Updated: 8/25 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
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: 3 - Words: 20,070 - Reviews: 87 - Favs: 229 - Follows: 261 - Updated: 8/24 - Published: 7/3 - SPARTAN-B312/Noble Six, Elena G., Stefan S., Bonnie B.
Iter In Astris by RememberReach312 reviews
After the Battle at the Ark, John-117 and Cortana are found and rescued by the long-lost UNSC "Spirit of Fire"... [Disclaimers within] [Cross-posted on SB] [Image not mine]
Crossover - StarTrek: Enterprise & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 4 - Words: 41,032 - Reviews: 57 - Favs: 229 - Follows: 310 - Updated: 8/24 - Published: 11/20/2022 - Master Chief/John-117, Cortana, J. Cutter
BattleTech: Combat Evolved by IX404 reviews
While fleeing from the Inner Sphere following the Amaris Coup, the Exodus Fleet discovers an object out in the inky blackness of space. Little does General Kerensky or his sons know is that they will soon be within the center of a conflict that will decide the fate of Humanity and place the Star League-in-Exile at the forefront of the conflict.
Crossover - Mechwarrior/Battletech & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 24 - Words: 108,347 - Reviews: 297 - Favs: 259 - Follows: 276 - Updated: 8/24 - Published: 8/25/2022 - Master Chief/John-117, A. J. Johnson, Arbiter, 343 Guilty Spark
Halo, Welcome to New York, Part 1: First Landing by SPARTAN-117-2 reviews
When Cortana awakens the slumbering Master Chief to alert him of a wormhole, a whole new war begins. Includes themes and characters from Harry Potter, Halo, Marvel, and some others. (Rated M for graphic violence in final chapter)
Crossover - Halo & X-overs - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 21,941 - Reviews: 6 - Favs: 25 - Follows: 27 - Updated: 8/24 - Published: 9/2/2022 - Master Chief/John-117 - Complete
The Great War by Forgotten Trooper reviews
9BBY The Galactic Empire is a Behemoth, with no Rebellion to speak of and a unstoppable military, it will soon find itself dragged into conflict with unforeseen enemies and unusual allies. The UNSC is losing the war to the Covenant, and the Prophets consolidate their power over their Dominion. These Gargantuan forces will collide in a war that will leave the galaxy forever changed.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 7,235 - Reviews: 11 - Favs: 43 - Follows: 56 - Updated: 8/22 - Published: 8/13 - Darth Vader, General Veers, Prophet of Truth, P. Cole
Penumbra: Black Plague by Ginopippofreebooter reviews
A pen, a notebook and some time alone. That is all that the Young Wolf Jake needed and unlike his Titan comrades, he liked to report new findings and informations on it. So, what happens when a Taken anomaly guides him to a seemingly giant ring in the middle of space? (Set from the start of Halo 1 to 3.) (Cover by Abrax1245/Ikarus Prime, follow him on Reddit).
Crossover - Halo & Destiny - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 96,124 - Reviews: 148 - Favs: 260 - Follows: 327 - Updated: 8/21 - Published: 6/26/2021 - Master Chief/John-117, Cortana, Ghost, Guardian - Complete
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