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Total Corruption by ShadowLight223 reviews
Samus had finally defeated her evil dark clone and ended the threat of Phazon. In her hurried escape of the planet Phaaze, she barely had time to make it into the portal to escape the planet, but she never came out the other side. Now unconscious and adrift in unknown space, what will become of her? A.U. Metroid crossover with Halo. / Currently being re-written...
Crossover - Metroid & Halo - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 27,459 - Reviews: 91 - Favs: 153 - Follows: 203 - Updated: 3h - Published: 2/15/2019 - Samus A.
The Last Metroid by ShadowLight223 reviews
Her Metroid dna has 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/Adventure - Chapters: 1 - Words: 5,344 - Reviews: 3 - Favs: 16 - Follows: 26 - Published: 4h - Samus A., Master Chief/John-117
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: 11 - Words: 61,652 - Reviews: 58 - Favs: 166 - Follows: 224 - Updated: 9/19 - Published: 3/2 - SPARTAN-B312/Noble Six, No. 12/Hibiki, No. 11/Hikari, No. 16/Toyotama
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: 11 - Words: 54,664 - Reviews: 142 - Favs: 100 - Follows: 102 - Updated: 9/19 - Published: 8/25 - Master Chief/John-117, A. J. Johnson, Arbiter, 343 Guilty Spark
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: 52 - Words: 238,553 - Reviews: 82 - Favs: 406 - Follows: 481 - Updated: 9/18 - Published: 9/30/2021 - [Harry P., Hermione G., Daphne G.] Master Chief/John-117
Reclamation of Terra by GODZILLA IS THE KING reviews
Instead of the Slipspace anomaly at the end of Halo 3 bringing the remains of the Forward Unto Dawn to the Forerunner shield world of Requiem, it brings it to the world of Terra. A year before the events of the Chernobog-Lungmen crisis, it crashes onto the planet. By chance, Rhodes Island would sight its crash and send a squad to investigate it, only to discover its occupants.
Crossover - Halo & Arknights - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 13,936 - Reviews: 6 - Favs: 35 - Follows: 48 - Published: 9/18 - Master Chief/John-117, Cortana, Amiya, Kal'tsit
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: 17 - Words: 54,085 - Reviews: 98 - Favs: 151 - Follows: 214 - Updated: 9/18 - Published: 6/26/2021 - Master Chief/John-117, Cortana, Ghost, Guardian
Wrong Place, Right Time: A Hero's Story by DLTA-BOT reviews
Not everyone is born a hero. Some, well, some are forced into it. Damon has no interest in being the beacon SPARTANs have become. An invincible, implacable force for good standing as humanity's shield. After the War took everything, he became the sword. He fights battles no one wants to see, and the troubled SPARTAN III is fine with that. Sometimes though, we don't get a choice.
Crossover - Fallout & Halo - Rated: T - English - Adventure/Sci-Fi - Chapters: 54 - Words: 619,948 - Reviews: 162 - Favs: 301 - Follows: 331 - Updated: 9/18 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
Only In Death Does Duty End by Cypher1597 reviews
Spartans are the protectors of humanity. Headhunters are the sword of humanity. Both are required to fight for their species unto their dying breath. However, when death finally comes is that duty maintained? Does it continue as long as the mind can remember it? Regardless of the answer, a Headhunter must find a way to continue his duties. Even if he is no longer human.
Crossover - Halo & High School DxD/ハイスクールD×D - Rated: M - English - Suspense - Chapters: 25 - Words: 151,537 - Reviews: 349 - Favs: 707 - Follows: 928 - Updated: 9/17 - Published: 6/29/2021 - OC
Ratchet and clank:Wrath of the rook(revamped by elljayskywalker reviews
Humanity is failing. The banished are winning, and a single Spartan goes on a mission to save it. But the universe is bigger than he first thought. Secrets will be discovered, a new race will be found and trails will test this Spartan.
Crossover - Halo & Ratchet and Clank - Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 7,271 - Reviews: 2 - Favs: 5 - Follows: 5 - Updated: 9/17 - Published: 7/1 - OC, Ratchet, Rivet
Noble 6: Ghost of Reach by thermalsnipern7 reviews
The war against the Covenant ended, but something else pressed humanity to the verge of extinction like they never did. Now, Noble 6 rises again to defend humanity like he had done before, and make humanity into something strong like it was so long ago. The one thing his enemies keep wondering is why they hear boss music.
Crossover - Halo & Destiny - Rated: M - English - Sci-Fi/Romance - Chapters: 2 - Words: 8,914 - Reviews: 11 - Favs: 27 - Follows: 35 - Updated: 9/16 - Published: 7/31 - [SPARTAN-B312/Noble Six, Fallen]
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: 3 - Words: 9,489 - Reviews: 21 - Favs: 46 - Follows: 65 - Published: 9/15 - Master Chief/John-117, Cortana
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: 10 - Words: 64,958 - Reviews: 261 - Favs: 509 - Follows: 568 - Updated: 9/15 - Published: 10/5/2021 - SPARTAN-B312/Noble Six, Jake P., Amy S, Rosa D.
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: 28 - Words: 73,340 - Reviews: 31 - Favs: 94 - Follows: 115 - Updated: 9/15 - Published: 5/1/2021 - [OC, Pyrrha N.] SPARTAN-B312/Noble Six, J. Ironwood
A New Path by GeorgeQuartz reviews
Year 2560, the UNSC Infinity and what is left of her crew is fighting for its life against countless Banished Invaders. Deep inside the ship, two pilots and friends have to fight their way through it all to their Longsword Interceptor. A one-in-a-million chance incident with a Forerunner Artefact brings them to a different fight with a different enemy, just trying to get back home.
Crossover - Halo & Star Wars Rebels - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 16,411 - Reviews: 11 - Favs: 29 - Follows: 40 - Updated: 9/14 - Published: 9/6 - T. Lasky, OC, Ezra B., Sabine W.
Vale's Rangers by Professor Donger reviews
James Spirals earlier than in canon, much earlier, and authorizes the beginnings of a new project in Atlas, one that takes orphan children and turns them into the saviors of humanity. Ten Years after this project's beginning a group of four find themselves in Vale, looking for a purpose and a way back to the people they left behind. Follow Ranger as they find their footing.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 6,203 - Reviews: 8 - Favs: 69 - Follows: 99 - Published: 9/14 - Ruby R., Jaune A., L. Ren, Nora V.
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: 2 - Words: 2,177 - Reviews: 1 - Favs: 5 - Follows: 7 - Updated: 9/14 - Published: 9/12
The Mercenaries of The UNSC by lupiniiiredawesome
A/N: The Red Mercenaries we're having your off day with engineer and medic we're coming up with a project for interdimensional teleporter that can take them, anywhere however when that woman did worked they got them so stranded in another world that was the future itself however for the red mercenaries of TF2 cuz this is going to their ultimate Adventure.
Crossover - Halo & Team Fortress 2 - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 2,654 - Follows: 2 - Published: 9/12
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: 16 - Words: 136,471 - Reviews: 151 - Favs: 300 - Follows: 382 - Updated: 9/12 - Published: 4/7/2017
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: 4 - Words: 15,335 - Reviews: 41 - Favs: 187 - Follows: 297 - Updated: 9/12 - Published: 7/8 - Rookie, Shepard
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: 2 - Words: 1,416 - Favs: 2 - Follows: 2 - Updated: 9/11 - Published: 9/2 - OC, Herissmon, Master Chief/John-117, Fred-104
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: 22 - Words: 123,434 - Reviews: 588 - Favs: 1,255 - Follows: 1,660 - Updated: 9/11 - Published: 5/16/2019 - Master Chief/John-117
A Huntress In A Demon's World by Rajin Kaijun reviews
Awakening on a strange ringworld occupied by The Banished hellbent on destroying humanity, Ruby Rose joins the Master Chief and his new AI companion in hopes to not only defeat this new threat but also finding a way back to Remnant. To survive, she must adapt, adjust, make new allies, and discover old ones. (Slight AU Infinite)
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 18,197 - Reviews: 14 - Favs: 56 - Follows: 92 - Updated: 9/10 - Published: 8/9 - Master Chief/John-117, Ruby R., Atriox
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.
Crossover - Halo & Gundam UC - Rated: M - English - Sci-Fi - Chapters: 21 - Words: 80,043 - Reviews: 157 - Favs: 58 - Follows: 77 - Updated: 9/10 - Published: 6/22 - Master Chief/John-117, Amuro R.
soul of humanity by eetyr12 reviews
in the void between stars, there are uncaring deities, monstruos demons, and there is humanity the most consistent species and in the world of devils, angels, and magic it is time for them to rise, I own nothing and every copyright to each author please support the official releases
Crossover - Halo & High School DxD/ハイスクールD×D - Rated: M - English - Sci-Fi/Fantasy - Chapters: 10 - Words: 45,640 - Reviews: 10 - Favs: 32 - Follows: 38 - Updated: 9/10 - Published: 8/13 - 2401 Penitent Tangent, Serina, Ophis, 666/Trihexa
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