Halo Crossovers
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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: 17 - Favs: 88 - Follows: 127 - 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: 6 - Follows: 6 - 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: 34 - Follows: 45 - Updated: 9/16 - Published: 7/31 - [SPARTAN-B312/Noble Six, Fallen]
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: 9 - Favs: 79 - Follows: 112 - 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 - Favs: 1 - Follows: 3 - 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: 306 - Follows: 384 - Updated: 9/12 - Published: 4/7/2017
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: 1,272 - Follows: 1,683 - 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: 59 - Follows: 95 - 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: 34 - Follows: 40 - Updated: 9/10 - Published: 8/13 - 2401 Penitent Tangent, Serina, Ophis, 666/Trihexa
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: 1156 - Favs: 1,584 - Follows: 1,941 - Updated: 9/8 - Published: 6/8/2018 - SPARTAN-B312/Noble Six, Rookie
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: 2380 - Favs: 3,633 - Follows: 4,421 - 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: 164 - Follows: 223 - 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: 141 - Follows: 201 - 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: 125 - Favs: 649 - Follows: 933 - 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: 405 - Follows: 445 - Updated: 9/4 - Published: 12/11/2017 - T. Stark/Iron Man, Master Chief/John-117
HALO: Dead Man of the Moon by UH-60 NIGHTSTALKER reviews
When a new yet familiar Enemy threatens Neo-Queen Serenity and her court/friends, an unlikely ally appears and just happens to have a UNSC Warship at his command. But can Serenity's Senshi trust this new armored clad stranger?
Crossover - Halo & Sailor Moon - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 40,319 - Reviews: 74 - Favs: 103 - Follows: 116 - Updated: 9/4 - Published: 1/30/2021 - Neo-Queen Serenity, OC
Out of Reach by Czechus reviews
"Child out of time comes back home, by the wish of the goddess who wanted him to go. With the blood of worlds resting on his hands, monsters will hide from this man. The moon in the sky, and the luck on his side, fate will not be able to bind his life. Run and hide, oh monster about, but it doesn't matter for the wolf is out." I don't own PJO or Halo
Crossover - Halo & Percy Jackson and the Olympians - Rated: M - English - Sci-Fi/Fantasy - Chapters: 12 - Words: 97,722 - Reviews: 414 - Favs: 987 - Follows: 1,267 - Updated: 9/3 - Published: 6/28/2020 - SPARTAN-B312/Noble Six, Artemis
The Exiles:A New Power by Johnnieboy11 reviews
The beginning of the Battle For Earth signaled the start of the final, bloodiest campaign of the Human-Covenant War. Hastily, a plan is put into motion and an Ark Fleet, composed of a dozen Phoenix-class vessels and their escorts, makes the jump out of system. Either interference, or malfunction, causes their arrival to a new Galaxy, where new threats lurk just around the corner.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 19,095 - Reviews: 107 - Favs: 418 - Follows: 633 - Updated: 9/2 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
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: 9 - Words: 58,173 - Reviews: 278 - Favs: 608 - Follows: 663 - Updated: 9/1 - Published: 10/27/2021 - [SPARTAN-B312/Noble Six, Mia]
Brotherhood of Steel:Chronicles of the 86th UNSC Assault Corps by Johnnieboy11 reviews
A veteran fleet formed of the few survivors of Reach goes missing upon their jump toward Earth. Originally meant to reinforce the Home Fleet with a slew of fresh units, the dozen vessels now find themselves over a foreign world engaged in a familiar war of survival with a rogue army of AI and their own prejudices against each-other. A new world to protect and new challenges await.
Crossover - Halo & 86 エイティシックス - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 230,000 - Reviews: 178 - Favs: 306 - Follows: 378 - Updated: 9/1 - Published: 11/1/2021 - OC, Vladilena Milizé/Lena, Shinei Nouzen, Theo Rikka
Harry-049 by TheEternalForce reviews
Harry is transported to Reach by a forerunner artefact after being chased by Dudley and his friends. Halsey finds that he's a genetic match and he is inducted into the SPARTAN-II program.
Crossover - Harry Potter & Halo - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 8,045 - Reviews: 48 - Favs: 153 - Follows: 225 - Updated: 9/1 - Published: 4/26 - Harry P., C. Halsey
Code Lyoko: Dark Harvest by superman42 reviews
Following the cataclysmic event in Thousand year war that threw the Lyoko warriors 800 years into the future, a looming threat has begun to menace Kadic. The resulting war will change the lives of everyone involved and no one is safe. Universes: Halo, Code Lyoko, misc Very violent and depressing.
Crossover - Code Lyoko & Halo - Rated: M - English - Tragedy/Drama - Chapters: 7 - Words: 4,215 - Reviews: 7 - Favs: 3 - Follows: 2 - Updated: 8/31 - Published: 3/1 - Aelita S., Jeremie B., Yumi I., OC - Complete
Sins Of A Galactic Empire Reborn by zzzxxc1 reviews
When the Milky Way is revealed to the universe at large by a derelict CIS warship, the UEG are forced to become members of the transgalactic community, but its existence is soon threatened by the decline of the Republic, and the rise of an Empire. Adopted from SpaceCowboy2013.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi - Chapters: 14 - Words: 101,341 - Reviews: 731 - Favs: 1,418 - Follows: 1,862 - Updated: 8/30 - Published: 7/28/2018 - Anakin Skywalker, Obi-Wan K., Master Chief/John-117, Cortana
Called of Duty Heroes: Nazi Zombies in Halo by Longneck Prime reviews
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Crossover - Halo & Call of Duty - Rated: T - English - Adventure/Humor - Chapters: 1 - Words: 8,726 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 8/30 - Master Chief/John-117
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