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Starwars: The Terran Republic by Ve speaker reviews
A newly found planet named Zeridian has been found at the edge of the outer rim. Not much is known about the planet or it's people and the only contact with them is with their trade routes between certain planets. While the Republic and separatist are at war Zeridian gets pulled into the conflict causing the Terran Republic to get involved. Exactly what is this planet hiding.
Crossover - Halo & Star Wars - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 35,846 - Reviews: 8 - Favs: 44 - Follows: 50 - Updated: 22h - Published: 10/8 - Master Chief/John-117, SPARTAN-B312/Noble Six, J. Cutter, Ahsoka T.
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: T - English - Fantasy/Sci-Fi - Chapters: 55 - Words: 251,889 - Reviews: 87 - Favs: 427 - Follows: 510 - Updated: 8h - Published: 9/30/2021 - [Harry P., Hermione G., Daphne G.] Master Chief/John-117
Stratagem by Temujin the Obliterator reviews
ONI operative Major Colton Martel and his team of spies, assassins, and commandos have been fighting a covert war against the CIS when they stumble upon a conspiracy. The biggest one of the century. They become locked in a dangerous game of intrigue, espionage, and war. As the galaxy titters on the brink of chaos. A Halo/Star Wars AU that also brings together canon and legends.
Crossover - Star Wars & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 8,816 - Reviews: 1 - Favs: 3 - Follows: 5 - Published: 14h
Spartan 25 by Benevolentmuskrat
Basically, a complete AU that has project freelancer in the actual halo universe during the time when humanity had started running low on Spartan II, also took a lot of liberties with backgrounds and certain characters genders.
Crossover - Halo & Red vs. Blue - Rated: M - English - Romance/Drama - Chapters: 1 - Words: 906 - Published: 16h - Carolina, Wash
Task Force 141 by Y. Foster reviews
A crossover fic in which Halo is the future of Call of Duty. After an Op goes sideways, the members of Task Force 141 wake up 500 years in the future...to a whole new galaxy. Just in time for a war unlike any other.
Crossover - Halo & Call of Duty - Rated: T - English - Chapters: 1 - Words: 2,155 - Reviews: 2 - Favs: 6 - Follows: 10 - Published: 10/10 - Ghost, Cpt. John Price, MacTavish/Soap, Gaz
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: 6 - Words: 23,189 - Reviews: 56 - Favs: 221 - Follows: 344 - Updated: 10/10 - Published: 7/8 - Rookie, Shepard
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: 19 - Words: 60,730 - Reviews: 102 - Favs: 161 - Follows: 230 - Updated: 10/10 - Published: 6/26/2021 - Master Chief/John-117, Cortana, Ghost, Guardian
HaloGears Drabble by CommanderAuri
This was just a self indulgent ship piece I wanted to write up to pair my Spartan with Damon Baird. It's been a while since I've written anything so I'm a bit rusty.
Crossover - Halo & Gears of War - Rated: K - English - Sci-Fi/Romance - Chapters: 1 - Words: 4,572 - Published: 10/8 - Marcus F., Dominic S., A. Cole, D. Baird - Complete
Xenobade chronicles 2 x halo by Ranger2287
I'm just throwing out this idea thought it would be cool. Don't have an idea for a title yet, maybe if and when I have more chapters it'll come to me.
Crossover - Halo & Xenoblade Chronicles 2 - Rated: T - English - Chapters: 2 - Words: 5,877 - Favs: 1 - Follows: 3 - Updated: 10/7 - Published: 8/17 - Master Chief/John-117, Cortana, KOS-MOS, T-elos
spartan returns home by phoenix emperor 23 reviews
injured on a mission the first son of minato and kushina. he found something that put him in a war he never thought was possible. on his final mission on reach he chose to be behind. with the wider of the UNSC and ONI thought he died on reach. he had a chance to go back. now he must defended his family and the woman he love from the shadows. even it means the world to think he dead
Crossover - Halo & Naruto - Rated: M - English - Romance - Chapters: 4 - Words: 14,824 - Reviews: 2 - Favs: 43 - Follows: 64 - Updated: 10/7 - Published: 11/1/2021 - [SPARTAN-B312/Noble Six, Hana I.] [Minato N., Kushina U.]
Halo Galactic Wars: Anthologies by Crimson Soldat reviews
Master Chief and a few others had managed to mark their mark in the Galaxy. Yet there are those that hasn't gained enough attention. Untold stories to those who had placed their mark upon where they were. Both in the Far, Far Galaxy and the Master Chief's Home Galaxy. WARNING: CONTAINS A LOT OF ORIGINAL CHARACTERS!
Crossover - Star Wars & Halo - Rated: T - English - Adventure - Chapters: 4 - Words: 3,413 - Reviews: 1 - Favs: 7 - Follows: 10 - Updated: 10/7 - Published: 9/12
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: 24 - Words: 92,150 - Reviews: 171 - Favs: 65 - Follows: 84 - Updated: 10/7 - Published: 6/22 - Master Chief/John-117, Amuro R.
John 117, The Father of the Clones by TheExiledStoryTeller reviews
After destroying the Halo ring and the Flood, Master Chief ends up in the Star Wars universe due to his half of the Forward Unto Dawn being pulled into slip space. There he is found by the Mandalorians during their civil war. After helping the side that saved him and Cortana win, he becomes a mercenary and is eventually recruited to be cloned on Kamino instead of Jango Fett.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 4 - Words: 15,096 - Reviews: 45 - Favs: 102 - Follows: 144 - Updated: 10/7 - Published: 9/15 - Master Chief/John-117, Cortana
Agent Reach by One Winged A2 reviews
After the events of Lone Wolf, Noble Six wakes up aboard the Mother of Invention. He is offered a chance from the Director to become an agent of Project Freelancer. He takes it, but will the heart of a frozen warrior need help from another? Cover art is in-game footage.
Crossover - Halo & Red vs. Blue - Rated: M - English - Sci-Fi/Romance - Chapters: 81 - Words: 285,727 - Reviews: 689 - Favs: 890 - Follows: 901 - Updated: 10/7 - Published: 10/8/2014 - [SPARTAN-B312/Noble Six, Tex/Allison] Maine/Meta
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: 15 - Words: 74,973 - Reviews: 202 - Favs: 131 - Follows: 133 - Updated: 10/7 - Published: 8/25 - Master Chief/John-117, A. J. Johnson, Arbiter, 343 Guilty Spark
The Spartan and the Legionarie by Lighting wolf knight reviews
A spartan, the pinnacle of the human race. Thrust into a new world, full of new enemies, bonds and monsters. Rated T for violence, death, and profanity. Different characters and AU. Next chapter is 1100 words, Not 1500.
Crossover - Halo & RWBY - Rated: T - English - Romance/Adventure - Chapters: 29 - Words: 76,126 - Reviews: 32 - Favs: 99 - Follows: 122 - Updated: 10/6 - Published: 5/1/2021 - [OC, Pyrrha N.] SPARTAN-B312/Noble Six, J. Ironwood
Halo: Eagle's Incantation by GruntBasher reviews
Shirou and Artoria vowed to reunite as starcrossed lovers; this was not what they had in mind. Being reborn for some inextricable reason, they are flung to the far future. A world where technology has advanced leaps and bounds, a world without a need for heroes. Regardless, history must march on, and Fate has quite an interest in making some new heroes...
Crossover - Halo & Fate/stay night - Rated: T - English - Adventure/Sci-Fi - Chapters: 7 - Words: 32,676 - Reviews: 27 - Favs: 140 - Follows: 218 - Updated: 10/6 - Published: 8/11 - [Arturia Pendragon, Shirō E.] Rin T., Illyasviel von Einzbern
Evidence of Glory by Cat-Plant
In a world filled with peril, and uncertainty, either defeat or victory remains. Join Josi Vadam and his compatriots in a world rife with action and adventure as he discovers the truth of his world and his life in the Covenant and beyond! (what if the covenant and other beings in Halo had stands)(Part 7 Universe)(OC)(Alternative Arbiter)
Crossover - Halo & JoJo's Bizarre Adventure - Rated: M - English - Sci-Fi/Supernatural - Chapters: 2 - Words: 2,440 - Follows: 1 - Updated: 10/6 - Published: 10/4 - Arbiter, Rtas 'Vadumee
Halo Galactic Wars by Crimson Soldat reviews
While on a search mission within Zeta Halo, Master Chief and his new AI Companion stumbles upon an unknown site that isn't Forerunner in origins. Next thing they knew, both ends up in another Galaxy and are forced to partake in a war that they had found themselves in. With them and a few surprises, the known universe will never be the same ever again. Co-written by jojobinks01.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 42,051 - Reviews: 68 - Favs: 213 - Follows: 277 - Updated: 10/6 - Published: 6/30 - Anakin Skywalker, Obi-Wan K., Ahsoka T., Master Chief/John-117
The Spartans of Remnant by Chris Rudy
The Huntsmen and Huntresses in training we all know and love have undergone Spartan augmentations and are ready to test themselves in the field. What will transpire in this story? Let's find out. Rated M for blood, graphic images, and language.
Crossover - Halo & RWBY - Rated: M - English - Chapters: 1 - Words: 1,535 - Favs: 3 - Follows: 4 - Published: 10/5 - Master Chief/John-117, Team RWBY, Team JNPR, Team STRQ
Mass Effect: Galaxy at war by palik reviews
A Citadel Exploration fleet filled with people the council didnt want around discovers something that will change the face of Citadel Space forever. The council will experience a crash course in the fight for survival (abandoned)
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 29 - Words: 84,554 - Reviews: 528 - Favs: 1,103 - Follows: 1,542 - Updated: 10/5 - Published: 6/18/2020
The Demon Of The Nine-Nine by SSJ Lone Wolf reviews
It had been ten years since Noble Six joined the NYPD, following the fall of Reach, quickly moving through the ranks and making detective, but when he is transferred to the 99th precinct he finds his life flipped upside down when he had to work alongside the eccentric squad of the Nine-Nine. If his own past doesn't drive him insane...they certainly will!
Crossover - Halo & Brooklyn Nine-Nine - Rated: M - English - Chapters: 11 - Words: 73,803 - Reviews: 310 - Favs: 552 - Follows: 609 - Updated: 10/4 - Published: 10/5/2021 - SPARTAN-B312/Noble Six, Jake P., Amy S, Rosa D.
Digimon War Game S2 by riven-del
The Halo has been destroyed, but the Covenant have a new objective: Earth. Cassandra will have her work cut out for her as she helps the Pillar of Autumn's crew stall the enemy and more Tamers with crests show up.
Crossover - Digimon & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 2,126 - Favs: 2 - Follows: 2 - Updated: 10/4 - Published: 9/2 - OC, Herissmon, Master Chief/John-117, Fred-104
Forward Unto Dawn by TheWizardofOzbourne reviews
Triple Crossover, TSCC/Halo w/Star Trek: Voy/DS9/TNG elements. Trapped in a universe similar to our own, Cameron and John Henry struggle to return home. To do so, three gifts, each from another universe, will get them home and entangle them in a war they thought they knew. Eventual Jameron and MC/Cortana. Updated! 10/04/2022 CH50 Posted!
Crossover - Terminator: Sarah Connor Chronicles & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 50 - Words: 391,102 - Reviews: 603 - Favs: 259 - Follows: 315 - Updated: 10/4 - Published: 3/26/2013 - [John C., Cameron] [Cortana, Master Chief/John-117]
Humanity's Resurgence - Re-Upload by StrikeFreedom11 reviews
Two different humanity's. Both pushed around by aliens for far too long. Together, they shall show this third universe that humanity is not to be underestimated.
Crossover - Stargate: SG-1 & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 26,893 - Reviews: 2 - Favs: 27 - Follows: 25 - Published: 10/3 - S. Carter, J. O'Neill, Master Chief/John-117, T. Hood - Complete
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