Gears of War Crossovers
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Halo 5 Guardians Of Sera by jason429 reviews
Inspired by Spartan Gears written by blacksuitchris. Taking place post Halo 5 and during Gears Of War 3. Taking place after the events of Halo 5 Guardians The UNSC Infinity send Fireteam Osiris and Blue Team to investigate a UNSC ship that crashed onto an unknown planet. But what was supposed to be a simple Search and Recover turns into a fight for survival in a new world.
Crossover - Halo & Gears of War - Rated: M - English - Adventure/Humor - Chapters: 49 - Words: 50,896 - Reviews: 35 - Favs: 80 - Follows: 74 - Updated: 21h - Published: 1/15/2016 - Master Chief/John-117, J. Locke, Marcus F., Dominic S. - Complete
Dust in the Gears by Maruder2100 reviews
After the battle of New Ephyra the COG embarks on a new strategy. It will evacuate portions of its population to protected enclaves far from the war. Site 13 however is having issues. A new Governor is selected and dispatched to fix the delays. If any of them knew what path this assignment would take, would they accept?
Crossover - Gears of War & RWBY - Rated: M - English - Adventure - Chapters: 88 - Words: 356,152 - Reviews: 13 - Favs: 49 - Follows: 60 - Updated: 10/15 - Published: 6/4
Rising from the Embers of Sera by thehappy reviews
The people of Sera rebuild, spreading to the stars. Wars will be waged. Peace will be sought. The Coalition has risen from the ashes to take their right to exist in the galaxy. They will survive...no matter the cost.
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 23 - Words: 346,784 - Reviews: 357 - Favs: 652 - Follows: 783 - Updated: 10/9 - Published: 12/28/2020 - OC, U. Wrex, Shepard, Councilor Tevos
Harry Peverell & The Wizards of War by Rightly reviews
Voldemort has scattered his Horcruxes across the multiverse, and now Harry and Gellert Grindelwald II (OC) must find them. They've just returned from one universe with the Locket. Now they must find the Diadem. Where has the Dark Lord placed it? Sera. Watch as these two brothers join Delta Squad in their battle against the Locust. (Inconsistent updates. Harry x Sofia Hendrik later)
Crossover - Harry Potter & Gears of War - Rated: M - English - Adventure/Horror - Chapters: 5 - Words: 28,111 - Reviews: 8 - Favs: 11 - Follows: 12 - Updated: 10/8 - Published: 9/11 - Harry P., OC, Marcus F., Dominic S.
World at War: The Emergence Wars by Spec-Op Marine 117 reviews
Humanity once believed there was life in Outerspace but never expected there was life underground. What if Emergence day happens on Earth instead of Sera? How would the world put up a fight for their survival? Following the Timeline to individual accounts during the global conflict against the Locust Horde. Inspired by Novel World War Z.
Crossover - Gears of War & Call of Duty - Rated: M - English - Adventure/Horror - Chapters: 6 - Words: 12,808 - Reviews: 23 - Favs: 26 - Follows: 21 - Updated: 10/3 - Published: 10/15/2019
HaloGears of War:: Gears Into The Outer Frontier by Spec-Op Marine 117 reviews
The Locust War on Sera was supposed to end. for good but a discovery of a mysterious alien artifact in Azura teleported Marcus and the Gears off to another universe, the world of Reach, The Gears found themselves drawn into something more significant than ever, another one had just begun. New allies, the Spartans. A new enemy and a new war to fight. A New Fight.
Crossover - Halo & Gears of War - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 10,597 - Reviews: 20 - Favs: 22 - Follows: 28 - Updated: 10/1 - Published: 7/19 - SPARTAN-B312/Noble Six, Marcus F., Anya S.
Remnants of a Gold Gear (Rewrite) by TheManThatWalksTheAbyss115 reviews
Humanity survived the war, at the cost of itself in the end. Sera was a shell of its former self and there wasn't anything left to do but rebuild from the ashes. One man wouldn't get to see that so soon; his curiosity leading him to something that was considered a once in a lifetime event, and a series of unfortunate events. Remnant would soon know of his tale through his actions.
Crossover - Gears of War & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 46 - Words: 345,305 - Reviews: 611 - Favs: 487 - Follows: 529 - Updated: 9/19 - Published: 4/15/2021 - Blake B., Jaune A.
Jak of War by The Vaudevillain Veteran reviews
After a long and grueling battle in the Metal Head nest, Jak had finally defeated Kor. However to his horror Kor flew into the portal and prematurely activated it before dying, sending Jak and Daxter to another world far worse than their own.
Crossover - Jak and Daxter & Gears of War - Rated: M - English - Sci-Fi/Tragedy - Chapters: 3 - Words: 11,923 - Reviews: 6 - Favs: 6 - Follows: 8 - Updated: 8/26 - Published: 12/26/2022
Mass Effect: The Gears of War by IX404 reviews
Marcus thought he was done fighting after the death of Queen Myrrah, and the activation of the Imulsion Countermeasure. When he goes to help Baird investigate an abandoned COG facility, he will soon discover that while he ended one fight, another one has just begun.
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 40 - Words: 216,284 - Reviews: 330 - Favs: 325 - Follows: 343 - Updated: 8/14 - Published: 3/31/2022 - Marcus F., A. Cole, Garrus V., Shepard - Complete
Cursed by Hookshot25 reviews
Clayton Carmine has only known hate and carnage for so many years. But once he survives the war he hoped to die in, things get strange. When people need help he isn’t one to shy away, and while helping Baird he gets sent to a place in dire need of a man like him. A man that can’t be claimed by death as easily as his kin.
Crossover - Gears of War & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 56,822 - Reviews: 9 - Favs: 51 - Follows: 78 - Updated: 8/8 - Published: 4/10 - C. Carmine, Samantha B./Sam, Shepard, Tali'Zorah
GATE: Hope Runs Deep in Another World by Vault Viper reviews
The Swarm had attempted to destroy New Ephyra, only to be ultimately pushed back. The COG had successfully driven back an invasion on that day, but little did they know that on the very same day, another one would be soon upon them, one that would forever change the fate of Sera and the Special Region. (Rory and Lelei will not be in this story) (Some AU on the Gears side of things)
Crossover - Gears of War & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: M - English - Sci-Fi/Fantasy - Chapters: 10 - Words: 75,174 - Reviews: 14 - Favs: 57 - Follows: 71 - Updated: 7/10 - Published: 2/1
Remnants of an Onyx by Spartan13047 reviews
A brand new chance at life can be a gift. For one man it seems that way. At least for a while. For now he has to help a bumbling team of Huntresses make it through their schooling. He only hopes his past doesn't spring up to haunt him and the rest of the world.
Crossover - Gears of War & RWBY - Rated: M - English - Adventure/Tragedy - Chapters: 4 - Words: 14,169 - Reviews: 10 - Favs: 29 - Follows: 36 - Updated: 7/6 - Published: 2/3/2019 - OC, Team RWBY
The War Angel of Sera by Spec-Op Marine 117 reviews
Kara sacrificed herself to save Earth from Myriad, but the explosion from Fort Rozz catapulted her to another world that knows war. Kara found herself trying to make a difference across Sera as she tries to find her way home. Supergirl was drawn into the Pendulum Wars later face against the locust horde determined to destroy humanity. Supergirl must become the War Angel.
Crossover - Gears of War & Supergirl - Rated: T - English - Adventure/Sci-Fi - Chapters: 21 - Words: 116,483 - Reviews: 86 - Favs: 58 - Follows: 56 - Updated: 6/21 - Published: 6/28/2019 - Marcus F., Anya S., RAAM, Kara D./Supergirl
Halo: Gears Into The Outer Frontier Trailer (Rewrite) by Spec-Op Marine 117 reviews
Marcus thought ended the war on Sera for good but a discovery of a mysterious alien artifact in Azura teleported him and the Gears off to another universe, the world of Reach, The Gears found themselves and they ended one fight. Now the Gears were drawn into something bigger than ever, another one has just begun. New allies, the Spartans. A new enemy and a new war to fight.
Crossover - Halo & Gears of War - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 5,522 - Reviews: 22 - Favs: 8 - Follows: 9 - Published: 5/1 - Emile-A239/Noble Four, Jorge-052/Noble Five, Marcus F., Anya S. - Complete
Resident Gear Trailer by Shocknawe 425 reviews
Two worlds tried playing God, but one world lost control of their creations. Jason Carmine, an Onyx Guard, ends up on Earth where he has to take on B.O.W.s instead of Swarm Drones and creatures, but the Swarm isn't finished with him and doesn't see the difference between the humanity of Earth and humanity of Sera. Can the Earth survive or burn like Sera once did?
Crossover - Resident Evil & Gears of War - Rated: M - English - Adventure/Horror - Chapters: 2 - Words: 3,991 - Reviews: 18 - Favs: 14 - Follows: 20 - Updated: 4/17 - Published: 11/6/2020 - [OC, OC] [Jill V., Chris R.]
Halo: From Spartan to Seran by CommanderAuri reviews
What was originally set to be a smash and grab mission goes completely sideways. A haphazard escape through teleporter on the shield world Requiem's surface sends Spartan Commander Rachel Auri flying head over heels onto foreign soil with hostile contacts right on her tail. Follow her story as she tries to survive a planet that is constantly attempting to kill off it inhabitants.
Crossover - Halo & Gears of War - Rated: K - English - Sci-Fi/Adventure - Chapters: 5 - Words: 38,506 - Reviews: 21 - Favs: 32 - Follows: 42 - Updated: 3/27 - Published: 11/9/2022 - Marcus F., Dominic S., A. Cole, D. Baird
Star Wars: The Gears of War Trailer by Shocknawe 425 reviews
The people of Sera are reaching their breaking point as the war with the Locust has taken their last bastion of safety and a new threat emerges. But when visitors from the stars crash land, they may get a chance at peace. However, like most things, whenever they go right, it eventually goes wrong when they enter a new war. Plus, their troubles on Sera won't leave them alone either.
Crossover - Gears of War & Star Wars: The Clone Wars - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 3,925 - Reviews: 10 - Favs: 9 - Follows: 10 - Published: 11/29/2022 - Marcus F., Dominic S., Anakin S., Obi- Wan K.
Star Wars: The Gears of War Teaser by Shocknawe 425 reviews
Teaser for a crossover idea I came up with. Longer trailer will soon follow.
Crossover - Star Wars: The Clone Wars & Gears of War - Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 5,090 - Reviews: 2 - Favs: 12 - Follows: 12 - Published: 11/29/2022 - Complete
The Onyx God Trailer by Shocknawe 425 reviews
Trailer idea I had for the release of God of War Ragnarok coming soon. If I did write this story, the pairing would be OC X Artemis
Crossover - God of War & Gears of War - Rated: T - English - Supernatural/Sci-Fi - Chapters: 5 - Words: 10,428 - Reviews: 12 - Favs: 12 - Follows: 13 - Updated: 11/29/2022 - Published: 11/1/2022 - Kratos, OC - Complete
Locust Effect by Merriest Wood reviews
During, the first few days of the Lazarus Project, Dr Wilson discovers that Commander Shepard has a genetic mutation that can be used for the benefit of humanity. Miranda is unnerved by the prospect yet the Illusive Man gives the go-ahead for the new project codenamed Code L. I do not own anything of Mass Effect or Gears of War.
Crossover - Gears of War & Mass Effect - Rated: T - English - Chapters: 16 - Words: 90,549 - Reviews: 136 - Favs: 263 - Follows: 293 - Updated: 10/8/2022 - Published: 8/3/2021 - Shepard
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 - Favs: 1 - Published: 10/8/2022 - Marcus F., Dominic S., A. Cole, D. Baird - Complete
Gear of Sera, Pawn of Remnant by Doomsdayguy12345 reviews
Benjamin Carmine was supposed to die in the Riftworm, saved through mysterious circumstances, he now faces a world of bloody evolution and new enemies that seek Humanity's destruction. The battlefield may've changed, the enemy may be different, but the duty of a Gear remains the same.
Crossover - Gears of War & RWBY - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 18,206 - Reviews: 26 - Favs: 86 - Follows: 112 - Updated: 6/8/2022 - Published: 12/7/2021 - B. Carmine, C. Carmine, Team RWBY, Team JNPR
Gears of war splintered loyalties by flaming hunter reviews
A plot I had enjoy multi crossover
Crossover - Gears of War & Sword Art Online/ソードアート・オンライン - Rated: T - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 5,434 - Reviews: 2 - Favs: 2 - Follows: 3 - Updated: 5/25/2022 - Published: 3/7/2020
A Dragon of the COG by thehappy reviews
Mira Erza and Natsu head out on their very first job as a team, but things go horribly wrong. Making Happy take a badly wounded Erza and Mira away from the battle, Natsu continues to fight on alone. This is a Gears/Fairy Tail crossover. This story contains action, fighting, swearing, gore sex and war. If this offends you you have been warned Natsux large harem
Crossover - Fairy Tail & Gears of War - Rated: M - English - Sci-Fi/Adventure - Chapters: 60 - Words: 1,025,062 - Reviews: 543 - Favs: 1,123 - Follows: 1,048 - Updated: 2/5/2022 - Published: 1/21/2017 - Samantha B./Sam, Erza S., Mirajane S., Natsu D. - Complete
Huntress of War by XAgent-Venom666X reviews
Struck down by Cinder, Pyrrha didn't expect to awaken in a world far more dangerous than hers could ever hope to be. Alone, she finds herself dragged into a war that will determine the fate of Humanity, and her only chance to make it out alive is to trust the ones tasked with saving it. The odds are against her, but she's still a huntress. And she'll fight to the bitter end.
Crossover - Gears of War & RWBY - Rated: M - English - Adventure - Chapters: 6 - Words: 17,565 - Reviews: 100 - Favs: 180 - Follows: 223 - Updated: 1/17/2022 - Published: 9/10/2019 - Marcus F., Dominic S., Pyrrha N.
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