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Halo: Iron kingdoms by jjimenez042v
After the final battle of the ark, The Master Chief and Cortana found themselves on planet that mix steam-power technology with magic as great kingdoms fight each other supremacy. Force to adapt this new world they must forge alliance with unlikely people while dealing with strange enemies while they look for way home.
Crossover - Halo & Warmachine - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 5,787 - Published: 2h
Behold A Pale Horse by Adamant39 reviews
2552. The UNSC's Earth responds to the appearance of the First Death Star.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Suspense - Chapters: 3 - Words: 15,308 - Reviews: 26 - Favs: 40 - Follows: 62 - Updated: 10h - Published: 3/7 - Master Chief/John-117, A. J. Johnson, Miranda K., T. Hood
Echoes of the Force: Awakening of the Fire by Dan Is Here reviews
In a twist of fate, the UNSC Spirit of Fire arrives in the Star Wars galaxy, where it crosses paths with the daring Ghost crew. Together, they defeat an Imperial Star Destroyer, integrate a hyperdrive, and forge a strong alliance. This unexpected alliance kindles a glimmer of hope, hinting that the Spirit of Fire may yet navigate its way home.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 17,468 - Reviews: 10 - Favs: 50 - Follows: 63 - Updated: 14h - Published: 3/5 - Hera S., Kanan J., J. Cutter, E. Anders
Halo Vahrian by Krota reviews
Ever since the war ended years ago spartan 005 had to do one last task, sacrificing his own life to end the last remaining covenant fleet for him to be able to save earth from their last attempt at glassing the planet... S-005 thought he was gonna end up in the light but what he didn't know is that he had woken up in another world known to many as vahrian instead of earth.
Crossover - Halo & Call of Duty - Rated: M - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 27,969 - Reviews: 5 - Favs: 2 - Follows: 2 - Updated: 3/14 - Published: 3/12 - OC, Grace-093, C. Halsey, Kate Laswell
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: 43 - Words: 172,832 - Reviews: 421 - Favs: 526 - Follows: 674 - Updated: 3/14 - Published: 11/29/2022 - Master Chief/John-117, Cortana, Commander, Rapi
Halo: Operation Christ Sake by The Drabble Drafter
Based off of "The Eagle and the Dove" by XENMEGALOGOS, mankind had been fighting a losing war with the Covenant. In one universe, mankind discovered the Halo arrays and brought the 27 year genocide to an end. In another universe, however, mankind discovered another galaxy and thus another mankind.
Crossover - Halo & Stellaris - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 9,023 - Favs: 13 - Follows: 16 - Updated: 3/13 - Published: 3/6 - J. Keyes, Cortana, OC
Sekirei: The Lost Wolf by Helghast honored guard reviews
The Lonewolf survived and made it off Reach .Now he finds himself trapped in another world, another time and another conflict. Up against a madman forcing a race of super powered aliens to fight to the death to bring a new age of the gods . (Six and Harem)
Crossover - Halo & Sekirei - Rated: M - English - Sci-Fi/Romance - Chapters: 20 - Words: 148,564 - Reviews: 158 - Favs: 432 - Follows: 558 - Updated: 3/13 - Published: 3/2/2022 - SPARTAN-B312/Noble Six, No. 12/Hibiki, No. 11/Hikari, No. 16/Toyotama
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: 13 - Words: 37,972 - Reviews: 27 - Favs: 75 - Follows: 103 - Updated: 3/13 - Published: 1/26
The Song of Infinity by Johnnieboy11 reviews
As the battle of Christophsis is ongoing, a new faction emerges over the crystalline battlefield. Confusion, worry and fear permeate the Republic lines until a first shot is fired in anger by the Confederacy. A change stirs in the Force, the Reclaimers are awakening and the Galaxy at large is powerless to stop them.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 101,330 - Reviews: 175 - Favs: 682 - Follows: 854 - Updated: 3/13 - Published: 3/23/2023 - Anakin Skywalker, Ahsoka T., Master Chief/John-117, T. Lasky
HALO: Galactic Incursion by waterproof07 reviews
On a newly established outer colony world of Charis, first contact is made with the Imperials after their hunt for Alderaanian refugees. Their hunt leads them to discover the Milky Way Galaxy and the Halos. Colonization efforts are launched with hostile intents against the native residents. The residents of the Milky Way react with extreme prejudice. 2561 - New Hope. CH 3 coming.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 10,504 - Reviews: 51 - Favs: 179 - Follows: 241 - Updated: 3/12 - Published: 10/16/2023
Code Lyoko: War logs 1 by superman42 reviews
the stories are out of order. this is the correct timeline in case you're confused: Heart of Ice (this is an alternate version that sets up crisis core for War Logs 2 which is the actual Crisis Core, this version is a scrapped concept) Dark harvest (CH 1) from here the chapters are: ( left side actual chapter) 3 (ch 2) 4 (ch 3) 5 (ch 4) 6 (ch 7) 7 (ch 5) 8 (ch 6) 9 (ch 8) HOI WL2
Crossover - Code Lyoko & Halo - Rated: M - English - Tragedy/Drama - Chapters: 15 - Words: 17,146 - Reviews: 9 - Favs: 3 - Follows: 2 - Updated: 3/12 - Published: 3/1/2022 - Aelita S., Jeremie B., Yumi I., OC - Complete
Redemption by The Ashen One reviews
Six believed his body belonged to Reach after fighting tooth and nail to defend the planet from the Covenant. However, fate has other plans for the spartan as he soon arrives on a strange world, where he encounters a stubborn woman named Korra.
Crossover - Halo & Legend of Korra - Rated: M - English - Adventure/Romance - Chapters: 8 - Words: 30,436 - Reviews: 32 - Favs: 124 - Follows: 184 - Updated: 3/11 - Published: 1/20 - [Korra, SPARTAN-B312/Noble Six]
Rose Empire Space Command by Akyy-Wolf
The Rose Empire a multi-system wide faction using UNSC model ships thanks to the assistance of the Forerunner ship forges within Remnant, Oblivion. They discover the Planet they named Eques. How does the story end, no one will know. Follow Team RWBY and their friends as they survive whatever's out in the world.
Crossover - Halo & RWBY - Rated: M - English - Poetry/Sci-Fi - Chapters: 2 - Words: 17,550 - Favs: 7 - Follows: 4 - Updated: 3/11 - Published: 3/5 - Team RWBY
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 - Misc. Games & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 16,300 - Reviews: 33 - Favs: 131 - Follows: 157 - Updated: 3/11 - Published: 3/2 - Master Chief/John-117, A. J. Johnson, Arbiter, SPARTAN-B312/Noble Six
The Iron Cross by Lighting wolf knight reviews
Scattered, in a world where their emperor never existed... The Ultramarines have but one purpose... Protect humanity and act among them. Rated T for violence, death, and profanity. Please ignore the latest review. I have blocked that user for insulting words and feelings i do not support.
Crossover - Warhammer & Halo - Rated: T - English - Adventure/Romance - Chapters: 53 - Words: 205,313 - Reviews: 93 - Favs: 233 - Follows: 280 - Updated: 3/10 - Published: 7/15/2023 - Space Marines, OC, Arbiter, Linda-058
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. (Unable to upload due to corruption, updated on AO3)
Crossover - Halo & Beastars/ビースターズ - Rated: M - English - Adventure - Chapters: 31 - Words: 102,038 - Reviews: 43 - Favs: 83 - Follows: 89 - Updated: 3/9 - Published: 8/31/2020 - Legosi, Yafya
Voltron Spartan Defendors by Codey-Wraith reviews
Who would you want to control Voltron? A soldier that protects those around them or a power hungry madman? Follow the Master Chief, and his allies as they assemble Voltron to defeat those who threaten the universe.
Crossover - Halo & Voltron: Legendary Defender - Rated: M - English - Sci-Fi/Fantasy - Chapters: 8 - Words: 41,084 - Reviews: 37 - Favs: 94 - Follows: 119 - Updated: 3/9 - Published: 3/30/2018 - Master Chief/John-117, Cortana, Princess Allura
The Last Metroid by Two Dudes and a Dream reviews
Her Metroid DNA had taken over, resulting in a monstrous transformation. Unable to control her powers, when attempting to escape ZDR, her ship loses power due to her actions. 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…
Crossover - Metroid & Halo - Rated: M - English - Sci-Fi/Drama - Chapters: 41 - Words: 187,126 - Reviews: 384 - Favs: 409 - Follows: 542 - Updated: 3/9 - Published: 9/20/2022 - Samus A., Adam, Master Chief/John-117, Cortana
Operation: WASTELAND by Spartan-049 reviews
Whilst exploring the depths of Gamma Halo, a lone Spartan inexplicably finds himself transported to an irradiated wasteland on a planet that shouldn't have one; Earth. Hoping to find some answers he enlists the help of a local courier already on a quest of his own to find something.
Crossover - Fallout & Halo - Rated: T - English - Adventure/Western - Chapters: 3 - Words: 9,658 - Reviews: 3 - Favs: 15 - Follows: 19 - Updated: 3/9 - Published: 2/2
Spirit Unto Dawn by free man writer reviews
Spartan's found only to be lost. A ship filled with humans in a galaxy not their own. The Spirit of Fire finds itself with new allies in a galaxy they are unfamiliar with, dealing with its own set of problems and apocalyptic enemies. Co-created and written with BulletStormX. UNDERGOING REWRITE AND REVAMP
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 14 - Words: 120,419 - Reviews: 769 - Favs: 1,773 - Follows: 2,236 - Updated: 3/8 - Published: 4/16/2020 - Master Chief/John-117, SPARTAN-B312/Noble Six, Tali'Zorah, Shepard
Halo: The Lost Child by ImpulseFitz reviews
Ruby Rose was an ordinary girl dreaming of fairy tales when a freak incident led her far away from home. Believing her family dead, she agrees to train to become a Spartan. After a grueling defeat, she once again is whisked away to a distant world: her home, Remnant. There is no time for reunions. There is no time to rest and to mourn. The fate of the galaxy is at stake.
Crossover - Halo & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 26 - Words: 310,871 - Reviews: 465 - Favs: 689 - Follows: 918 - Updated: 3/8 - Published: 6/5/2021 - SPARTAN-B312/Noble Six, Ruby R., Yang X.L.
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: 82 - Words: 966,932 - Reviews: 225 - Favs: 481 - Follows: 524 - Updated: 3/8 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
Nier: Great Journey by RamPluto reviews
Finding herself on an unknown ringworld, alone save for her Pod, 2B finds herself thrusted into the middle of an unknown and seemingly intergalactic conflict. With the aid of the Master Chief, 2B will find herself dealing with two worlds, one where Humanity is extinct and the other where war is a constant ever looming threat, to all of mankind and existence itself.
Crossover - Halo & Nier - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 16,282 - Reviews: 30 - Favs: 115 - Follows: 183 - Updated: 3/7 - Published: 2/20 - Master Chief/John-117, 2B, Cortana, 9S
The lost sword by Lighting wolf knight
The war with the empire brings in new players... And a new angle. Rated T for violence, death, and profanity.
Crossover - Star Wars & Halo - Rated: T - English - Adventure/Romance - Chapters: 2 - Words: 5,220 - Favs: 3 - Follows: 6 - Updated: 3/7 - Published: 2/3 - Luke S., OC, Arbiter, Atriox
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: 7 - Words: 59,808 - Reviews: 221 - Favs: 376 - Follows: 447 - Updated: 3/6 - Published: 7/3/2023 - SPARTAN-B312/Noble Six, Elena G., Stefan S., Bonnie B.
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