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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: 92 - Favs: 152 - Follows: 203 - Updated: 9/20 - Published: 2/15/2019 - Samus A.
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: 61 - Favs: 175 - Follows: 234 - Updated: 9/19 - Published: 3/2 - SPARTAN-B312/Noble Six, No. 12/Hibiki, No. 11/Hikari, No. 16/Toyotama
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: 15 - Favs: 71 - Follows: 104 - Published: 9/18 - Master Chief/John-117, Cortana, Amiya, Kal'tsit
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: 12 - Favs: 31 - Follows: 40 - 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: 32 - Favs: 60 - Follows: 94 - 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: 277 - Favs: 529 - Follows: 586 - 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: 95 - Follows: 117 - Updated: 9/15 - Published: 5/1/2021 - [OC, Pyrrha N.] SPARTAN-B312/Noble Six, J. Ironwood
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: 73 - Follows: 105 - Published: 9/14 - Ruby R., Jaune A., L. Ren, Nora V.
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: 303 - Follows: 384 - Updated: 9/12 - Published: 4/7/2017
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: 1,265 - Follows: 1,673 - 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: 58 - Follows: 94 - Updated: 9/10 - Published: 8/9 - Master Chief/John-117, Ruby R., Atriox
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: 40 - Updated: 9/10 - Published: 8/13 - 2401 Penitent Tangent, Serina, Ophis, 666/Trihexa
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: 7 - Words: 41,936 - Reviews: 63 - Favs: 205 - Follows: 268 - Updated: 9/9 - Published: 6/30 - Anakin Skywalker, Obi-Wan K., Ahsoka T., Master Chief/John-117
naruto a halo reach story by dragons 23 reviews
naruto is left to die in the wood and is found by catherine and become spartan two
Crossover - Misc. Games & Halo - Rated: M - English - Romance - Chapters: 3 - Words: 3,933 - Reviews: 3 - Favs: 1 - Follows: 3 - Updated: 9/9 - Published: 9/3 - C. Halsey, Cortana
All the Stars by BlueWay reviews
When the Long Night of Solace is evaporated over Reach via the weaponized usage of a Slipspace Drive, it ferries with it in its swallowed sections the Covenant Empire and, more horrifyingly, the desperate measures that the UNSC used to fight them. When they are found in a universe on the precipice of their own history, the meaning of the term "Mass Effect" will change forever.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 41 - Words: 710,406 - Reviews: 1155 - Favs: 1,582 - Follows: 1,936 - Updated: 9/8 - Published: 6/8/2018 - SPARTAN-B312/Noble Six, Rookie
No Gods, Nor Masters by Johnnieboy11 reviews
After the pyrrhic victory of the Human-Covenant War, the Covenant was split into many warring factions vying for the power of old. The UNSC was left, bloodied, but as the sole power in the Milky Way for now. After an incredible discovery within a set of Forerunner Ruins, an Exploration Fleet with Doctor Halsey at its head is sent out. What they find will change everything.
Crossover - Halo & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: T - English - Adventure/Sci-Fi - Chapters: 28 - Words: 133,686 - Reviews: 571 - Favs: 821 - Follows: 1,056 - Updated: 9/8 - Published: 1/28 - C. Halsey, OC, Itami, Tyuule
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: 80 - Words: 281,621 - Reviews: 685 - Favs: 889 - Follows: 902 - Updated: 9/7 - Published: 10/8/2014 - [SPARTAN-B312/Noble Six, Tex/Allison] Maine/Meta
Enduring the Flames of War by Masterdude21 reviews
A joint Asari-Turian operation salvaged a "package" from a derelict wreckage in the Terminus Systems, whereupon they release a force of war beyond their reckoning. Hoping to avoid another war, Commander Shepard recruits the "package" into her team. A simple act of kindness, unwittingly paving the way for a clash unlike the galaxy has ever seen. Fate directs the flames of war.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 46 - Words: 668,658 - Reviews: 2376 - Favs: 3,626 - Follows: 4,415 - Updated: 9/7 - Published: 11/30/2015 - Master Chief/John-117, OC, Shepard
TALOS Protocol:A Tale of Smarts, Guns and Girls by Johnnieboy11 reviews
The detonation of the HAVOK nuke aboard the Mantle's Approach should have caused Cortana's glorious, final dispensation once the systems of the ship were broken. Instead, the AI now finds herself facing a new, terrifying world side-by-side with the Tactical Dolls, specialized combat Androids that take the form of armed young women. In this broken world, she must search for answers.
Crossover - Halo & Girls' Frontline/少女前线 - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 19,490 - Reviews: 39 - Favs: 160 - Follows: 219 - Updated: 9/6 - Published: 1/6 - Cortana, M4 SOPMOD II, Griffin Commander, Kalina
Lean, Green, and Very, Very Mean! by D. Christian reviews
The newest member of Alpha-Nine also known as the Rookie, had long since lost any hope along with her voice of humanity ever winning the war against the Covenant. Now Earth was under attack and the war seems all but lost. However, as fate may have it a mission gone wrong sends the Rookie to the most unexpected places. A place where a broken Helljumper like her could find purpose.
Crossover - Halo & RWBY - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 25,661 - Reviews: 40 - Favs: 139 - Follows: 200 - Updated: 9/5 - Published: 11/14/2021 - Rookie, Yang X.L., Team RWBY, Team JNPR
Were it So Easy by Sigma0327 reviews
Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 7 - Words: 76,632 - Reviews: 123 - Favs: 643 - Follows: 924 - Updated: 9/4 - Published: 11/9/2020 - SPARTAN-B312/Noble Six, Tali'Zorah, Miranda L., Shepard
The Ultimate Warrior by long night of solace reviews
Humanity is an impressive inter-galactic empire at tier-0 level. When John-117, their military commander engages an unknown enemy, he and Cortana in a fortress ship, Labyrinth of Chaos were displaced into an alternate universe with things beyond imagination. He needs to team up with the Marvel heroes to solve a mystery that might threaten the whole universe.
Crossover - Marvel & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 138,118 - Reviews: 151 - Favs: 401 - Follows: 443 - Updated: 9/4 - Published: 12/11/2017 - T. Stark/Iron Man, Master Chief/John-117
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