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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: 48 - Words: 193,012 - Reviews: 490 - Favs: 593 - Follows: 764 - Updated: 6h - Published: 11/29/2022 - Master Chief/John-117, Cortana, Commander, Rapi
A Better Tomorrow by DLTA-BOT reviews
How can one man change a world ravaged by corruption, war, and poverty? And if that world isn't his own, why would he want to? In a life built out of discontent and fear, maybe the opportunity for change lies in a new place and a fresh start. A new beginning. And, maybe, he can look forward to a better tomorrow. - A companion story to Wrong Place, Right Time: A Hero's Story.
Crossover - Halo & Cyberpunk 2077 - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 46,952 - Reviews: 16 - Favs: 116 - Follows: 154 - Updated: 7h - Published: 4/16 - OC, V, Johnny Silverhand, Rogue A.
Muv Luv: UNSC Second Remenant by davidporoforreal reviews
The United Nations Space Command (UNSC) finds itself in the final phase of a long, desperate struggle against the Covenant armada. This brutal conflict, which began on February 11, 2525, is hurtling towards its climax. On August 30, 2552, the Fortress World of Reach fell, plunging humanity into even deeper desperation.
Crossover - Muv-Luv/マブラヴ & Halo - Rated: M - English - Sci-Fi/Mystery - Chapters: 5 - Words: 9,158 - Reviews: 7 - Favs: 3 - Follows: 4 - Updated: 14h - Published: 6/28
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: 30 - Words: 123,560 - Reviews: 216 - Favs: 769 - Follows: 951 - Updated: 23h - Published: 3/23/2023 - Anakin Skywalker, Ahsoka T., Master Chief/John-117, T. Lasky
Halo: Fallen Stars (A Halo x Warcraft Crossover) by DarkNovaExtremia
2537. The UNSC tries to find a new home for humanity to settle in, one away from the Covenant's reach. An old Punic-class supercarrier was chosen to do so, but a Covenant battle group pursues her relentlessly, until a black hole ends their chase. As both sides stumble in a new universe, the question remains: Will they bring their war to Azeroth? Or will they find a new beginning?
Crossover - Warcraft & Halo - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 12,007 - Favs: 6 - Follows: 10 - Published: 6/28 - Arthas Menethil, Jaina Proudmoore, Tyrande Whisperwind, OC
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: M - English - Sci-Fi/Adventure - Chapters: 27 - Words: 110,204 - Reviews: 458 - Favs: 1,030 - Follows: 1,478 - Updated: 6/27 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
The Lone Wolf by House Stoneclaw reviews
With his final breath he awaited deaths inevitable embrace, he had done his job as a spartan. He had fought and died on reach with his many brothers and sisters, but he gets an unexpected surprise. Waking up in the middle of a land he has no knowledge of, and thrust into a war for survival. He must find his purpose again if he is to survive The Long Night, but who will help him?
Crossover - Game of Thrones & Halo - Rated: M - English - Adventure/Angst - Chapters: 18 - Words: 83,933 - Reviews: 314 - Favs: 1,167 - Follows: 1,481 - Updated: 6/26 - Published: 8/18/2018 - Jon S., Eddard S., Sansa S., SPARTAN-B312/Noble Six
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: 44 - Words: 198,941 - Reviews: 416 - Favs: 456 - Follows: 580 - Updated: 6/26 - Published: 9/20/2022 - Samus A., Adam, Master Chief/John-117, Cortana
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: 15 - Words: 147,809 - Reviews: 167 - Favs: 478 - Follows: 618 - Updated: 6/26 - Published: 3/2/2022 - SPARTAN-B312/Noble Six, No. 12/Hibiki, No. 11/Hikari, No. 16/Toyotama
Halo:Knightstalker by blackcomet1224 reviews
A teenage clone destined for an early death gets a new chance at life when a fugitive Symbiote chooses her as its host in this cross-over fanfiction between Halo and Venom.(Set shortly after Halo legends: homecoming. Art by RKS-Kogiro on twitter/tumblr Commissioned by me. Will be reposted on Royalroad.) Rebooted, rebooted chapters after chapter 10.
Crossover - Marvel & Halo - Rated: M - English - Sci-Fi - Chapters: 14 - Words: 106,624 - Reviews: 44 - Favs: 105 - Follows: 103 - Updated: 6/25 - Published: 9/3/2019 - Daisy-023
Autumn's Fury by AuthorOfTheHorizon reviews
A world falling to darkness. A ship fleeing a world that's already succumbed to its death. Fate sets the two on a collision course, pitting the brave men and women of the UNSC Pillar of Autumn against a foe even more mysterious than the Covenant.
Crossover - Halo & RWBY - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 32,557 - Reviews: 59 - Favs: 153 - Follows: 259 - Updated: 6/25 - Published: 3/30 - Master Chief/John-117, J. Keyes, J. Ironwood, Ozpin
Men of War: Final Edition by EZB reviews
The fallen Dawn brings with it hope for the war-ravaged world of Sera. The lost spartan finds himself in an alien world with all-to familiar problems. Read along the epic journey as Master Chief, Spartan John-117, finds himself in the world of Gears of War. Here comes the fire and fury of two epic franchises.
Crossover - Halo & Gears of War - Rated: M - English - Adventure/Sci-Fi - Chapters: 4 - Words: 19,894 - Reviews: 52 - Favs: 167 - Follows: 222 - Updated: 6/24 - Published: 3/22/2020
Thus I Scatter Rewrite by The crimson trucker reviews
An unexpected slip-space rupture sends Summer Rose to the streets of New Mombasa. Looking for a way home, She learns a secret hidden through time. Rwby and Halo are owned by their respective owners and creators. Please support the official release.
Crossover - Halo & RWBY - Rated: T - English - Sci-Fi/Adventure - Chapters: 5 - Words: 7,455 - Reviews: 11 - Favs: 60 - Follows: 103 - Updated: 6/24 - Published: 11/21/2023 - A. J. Johnson, Arbiter, Cortana, Summer R.
Bellum Terranum by F35B reviews
Humanity has long since recovered from the effects of the Human-Covenant War, beginning to resettle and rebuild. However a chance encounter with an alien artifact and following contact with the Council leads humanity and the rest of the Milky Way into a twisting conspiracy forging unexpected alliances between each race. A show that the Reapers are all too happy to watch. (Heavy AU)
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 51,758 - Reviews: 264 - Favs: 545 - Follows: 849 - Updated: 6/24 - Published: 7/31/2023 - Master Chief/John-117, J. Keyes, Illusive Man, Shepard
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: 33 - Words: 182,978 - Reviews: 920 - Favs: 1,704 - Follows: 2,177 - Updated: 6/24 - Published: 5/16/2019 - Master Chief/John-117
Halo: Un cuento de los Siete Reinos by Freakman Vityaz reviews
En el año 2559/296 D.C., el UNSC inicia la colonización del recien descubierto sistema estelar "Omega Ascalon" en un intento por evacuar a supervivientes de los ataques de "Los Desterrados". Mientras tanto, en el continente occidental del planeta, sus habitantes pronto enfrentarán el cambio de reglas en el "Juego de Tronos", cuando un lobo solitario vuelve al servicio activo.
Crossover - Halo & A song of Ice and Fire - Rated: M - Spanish - Sci-Fi/Fantasy - Chapters: 11 - Words: 115,366 - Reviews: 38 - Favs: 28 - Follows: 45 - Updated: 6/23 - Published: 2/12/2023 - SPARTAN-B312/Noble Six, Nicole-458, Rosenda-A344, Eddard S./Ned
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: 90 - Words: 1,062,462 - Reviews: 249 - Favs: 543 - Follows: 600 - Updated: 6/22 - Published: 9/29/2020 - Sole Survivor, Arthur Maxson, Shaun, OC
Cross the Stars by Helljumper206 reviews
A flash of new arrivals appears above Earth. The UNSC is left baffled at the sight of a flying battleship with technology unlike any other.
Crossover - Starblazers & Halo - Rated: T - English - Chapters: 2 - Words: 6,135 - Reviews: 30 - Favs: 77 - Follows: 93 - Updated: 6/22 - Published: 2/20/2023 - D. Wildstar/S. Kodai, P. Cole
War of the Hearts by World Archivist reviews
The Human-Covenant war had left an undeniable scar on the galaxy. Now in the year 2553, a new enemy shall appear, and a new war shall begin, one with origins in a time before the Halo Array.
Crossover - Halo & Kingdom Hearts - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 3,090 - Reviews: 1 - Favs: 5 - Follows: 7 - Updated: 6/21 - Published: 4/19
Battle Group Zeta (MCUHalo Crossover) by Sammy-1000 reviews
An UNSC Fleet arrives in the MCU. How will the Avengers and other Heroes react to a Humanity who doesn't take any shit from the Aliens. Read and Find out! Read Full Summary in the First Page. Since Fanfiction doesn't allow much words. Warning:- Blood and Violence.
Crossover - Halo & Avengers - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 12,215 - Reviews: 16 - Favs: 67 - Follows: 92 - Updated: 6/20 - Published: 6/8 - J. Cutter, Iron Man/Tony S., Pepper P., Captain America/Steve R.
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: 23 - Words: 174,272 - Reviews: 1117 - Favs: 2,113 - Follows: 2,665 - Updated: 6/20 - Published: 7/28/2018 - Anakin Skywalker, Obi-Wan K., Master Chief/John-117, Cortana
The hyper-lethal driver by Ranger2287 reviews
After a failed slip-space jump, The Chief and Cortana find themselves in the world of XC2 but end up in the land of Morytha. And his entry does not go un-noticed by the people of Alrest, in fact it leaves quite the impact.
Crossover - Halo & Xenoblade Chronicles 2 - Rated: M - English - Adventure - Chapters: 6 - Words: 26,587 - Reviews: 10 - Favs: 29 - Follows: 43 - Updated: 6/19 - Published: 8/17/2022 - Master Chief/John-117, Cortana
Massive Reckoning: Interstellar Assualt by vmoneywashere reviews
In the 2700s, the Milky Way is flourishing. Access to Forerunner ruins has allowed the races of the galaxy to explore their home and new galaxies. Now, a new fleet, lead by an Ancient Punic Class Fleet Carrier, is moving to explore a new galaxy. Soon enough, the UNSC will find itself embroiled in a new Great War, with a few standing in the way of mass extinction. (slow updates)
Crossover - Halo & Mass Effect - Rated: K+ - English - Sci-Fi - Chapters: 4 - Words: 31,484 - Reviews: 43 - Favs: 233 - Follows: 333 - Updated: 6/18 - Published: 10/9/2023 - P. Cole, OC, Admiral Hackett, Shepard
Project Atlas by Masso 2010 reviews
The Spartans are trained to be unthinking, unflinching and unmoving in the face of the impossible. Project Atlas is so much more, when humanity looks up into the sky they can see Hope, Justice, Reverence. When those that seek to hurt humanity look up into the sky, they see the warrior, the monster, the demon. To those who seek the destruction of humanity, he is the Cataclysm.
Crossover - Superman & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 30 - Words: 203,808 - Reviews: 244 - Favs: 515 - Follows: 593 - Updated: 6/18 - Published: 4/17/2022 - Clark K./Kal-El/Superman, Master Chief/John-117
BattleTech: Combat Evolved - Definitive Edition by IX404 reviews
We all know the tale. The SLDF under Aleksandr Kerensky's command leaves the Inner Sphere forever, before evolving into the Clans following Operation KLONDIKE. What if this was not the case? What if the entire Exodus fleet suffered a misjump that propelled them into another universe, one where Humanity will reclaim an ancient inheritance? This is the story of that possibility.
Crossover - Mechwarrior/Battletech & Halo - Rated: T - English - Sci-Fi/Drama - Chapters: 14 - Words: 110,076 - Reviews: 108 - Favs: 216 - Follows: 262 - Updated: 6/16 - Published: 8/24/2023 - Master Chief/John-117, Arbiter, 343 Guilty Spark, C. Halsey
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