Mass Effect Crossovers
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Effect of a seal by Fanreader26 reviews
it was placed on him when he was born and he was never informed about it. but one day on the training field, he overloaded a seal that kept a secret from everyone in the village including himself. now that the seal is broken, he finds more about his ancestry and a new power that goes beyond his village. Gender bender of sorts. it will make sense if you give a chance
Crossover - Naruto & Mass Effect - Rated: T - English - Drama/Sci-Fi - Chapters: 3 - Words: 25,007 - Reviews: 38 - Favs: 89 - Follows: 113 - Updated: 6/1 - Published: 4/1 - Naruto U., Hiruzen S.
Rise of Humanity by James118 reviews
Soon after the war with the Covenant, humanity discovers a Mass Relay that opens the door to the rest of the galaxy. But it also awakens the greatest threat humanity has ever faced. Male Shepard/Liara. OC/Krystal (from Star Fox).
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 22,101 - Reviews: 20 - Favs: 81 - Follows: 114 - Updated: 5/31 - Published: 5/21 - [Shepard, Liara T'Soni] 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: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 12,045 - Reviews: 69 - Favs: 295 - Follows: 445 - Updated: 5/31 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
Effect of a Titanfall by MidnightFenrir reviews
When you die, you expect things to happen, from the void to eternal happiness. But if given the choice to live again, wouldn't you take it? I did. Since then, it's been one crazy thing after the other, the latest of which was to end up in yet another universe. But what can you expect when the manifestations of Luck and Fate themselves tell you it's going to be an adventure? OC/SI.
Crossover - Mass Effect & Titanfall - Rated: M - English - Adventure/Sci-Fi - Chapters: 7 - Words: 52,523 - Reviews: 306 - Favs: 1,544 - Follows: 2,019 - Updated: 5/29 - Published: 12/17/2016 - Kasumi G., Shepard, OC, BT-7274
The Good Shepherd: Season One by Dingo32 reviews
In her time Carrie white was the first human biotic, but she was driven to insanity, slaughter and apparent suicide by the cruelty of those around her. In another age her gift of natural biotics holds the key to a better life for those of her ilk, but that may not be all she has to offer the galaxy. Undergoing rewrite.
Crossover - Mass Effect & Carrie - Rated: M - English - Sci-Fi/Supernatural - Chapters: 1 - Words: 9,195 - Reviews: 24 - Favs: 66 - Follows: 101 - Updated: 5/28 - Published: 5/6/2016
The Galaxy under an Iron Heel by KanisRussell reviews
After conquering the Earth and placing it beneath the heavy weight of a jackboot, the Third Reich sets it's hungry eyes on a new target. The Final frontier. They discover things they never thought possible, and quickly finds that they might not be the only masterrace in existence. "Life does not forgive weakness"
Crossover - Mass Effect & Wolfenstein series - Rated: M - English - Adventure/Sci-Fi - Chapters: 20 - Words: 90,315 - Reviews: 203 - Favs: 322 - Follows: 404 - Updated: 5/28 - Published: 8/17/2017 - Garrus V., Liara T'Soni, Shepard, OC
A few Titans Solves Many Issues, Including the Reapers by vmoneywashere reviews
In a distant yet expansive corner of the galaxy, many races rose and fell without anyone noticing. Yet a collection survived their ordeals and now look outwards. They bring Ideals, Peace, Prosperity, all under the UNSA and its Custodianship. When the Quarian Migrant fleet encounters an Expedition fleet, the nomads find a new home and a new family. (more updates in the winters) HFY
Crossover - Mass Effect & Stellaris - Rated: T - English - Sci-Fi/Family - Chapters: 11 - Words: 47,719 - Reviews: 106 - Favs: 375 - Follows: 553 - Updated: 5/28 - Published: 11/16/2021 - [Tali'Zorah, Shepard] Rael'Zorah, OC
My Leather seats by Sid117 reviews
Something is bothering Normandy's pilot Joker "Jeff Moreau " and SR2 intends to find out. What Joker reveals will change their relationship between them forever.
Crossover - Mass Effect & KanColle - Rated: M - English - Romance/Angst - Chapters: 9 - Words: 9,585 - Reviews: 2 - Favs: 3 - Follows: 3 - Updated: 5/27 - Published: 12/24/2021 - Complete
The Normandy's Nomad (Early Concept) by illFatedSuccess reviews
An early concept for a future story that see's V join Shepard's fight against the Collectors. This chapter focuses on Jack's recruitment mission and showcases Shepard's first time witnessing V and his cybernetics in action. Please do enjoy and leave a review on what you think.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Sci-Fi/Adventure - Chapters: 2 - Words: 5,953 - Reviews: 16 - Favs: 42 - Follows: 59 - Updated: 5/27 - Published: 1/21 - Garrus V., Shepard, V, Johnny Silverhand - Complete
A Metal Guardian by JawsOnYou67 reviews
The Universal Century, only a few short years ago humanity nearly eradicated itself to the tune of a madman, now it spreads, free of most of its old hatred. Yet the galaxy won't let them rest. Terminal prepares the twin Queens as best it can. (Gundam x Mass Effect)
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 8 - Words: 129,378 - Reviews: 92 - Favs: 256 - Follows: 324 - Updated: 5/25 - Published: 8/18/2020 - Amuro R., Char A., Tali'Zorah, Admiral Hackett
Spirit of Fire by GoldenThorns-Fiverr reviews
A Crossover fanfic I did as a Fiverr request.
Crossover - Halo & Mass Effect - Rated: T - English - Chapters: 1 - Words: 7,853 - Reviews: 3 - Favs: 8 - Follows: 8 - Published: 5/24 - Complete
Mass Effect: Galaxy at war by palik reviews
A Citadel Exploration fleet filled with people the council didnt want around discovers something that will change the face of Citadel Space forever. The council will experience a crash course in the fight for survival (Reaper Incursion Arc)
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 27 - Words: 81,864 - Reviews: 504 - Favs: 1,081 - Follows: 1,555 - Updated: 5/23 - Published: 6/18/2020
A certain Level 5 in Shanxi by reinDank
He whimpered a bit when he hear the insane laughing and the flapping of the wings.
Crossover - Mass Effect & Toaru Majutsu no Index/とある魔術の禁書目録 - Rated: M - English - Angst/Sci-Fi - Chapters: 1 - Words: 715 - Favs: 5 - Follows: 10 - Published: 5/23 - OC, Accelerator - Complete
Reshiram Effect by Knightwolf1875 reviews
A rift in space/time has aloud a young anthromorphic reshiram named sara Denova to enter the Mass Effect world. What awaits her and Sheaprd as they go along in ME2's battle with the Collecters?
Crossover - Pokémon & Mass Effect - Rated: M - English - Fantasy - Chapters: 7 - Words: 68,502 - Reviews: 17 - Favs: 38 - Follows: 41 - Updated: 5/22 - Published: 1/12/2013 - Reshiram, Shepard
Those Who Favor Fire by The.A.I.1502 reviews
In a universe reeling from the Blip, Isabelle Collins is shattered by her brother's death. But humanity's intent on colonizing the stars reveals an undeniable truth - Thanos was the harbinger of something much worse. Isabelle must peel back the layers of her new reality, because this time, the stakes are much higher than half of all life.
Crossover - Marvel & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 24 - Words: 209,266 - Reviews: 17 - Favs: 46 - Follows: 63 - Updated: 5/22 - Published: 6/1/2020 - OC, P. Coulson, Harbinger, Shepard
Soul Effect by Story-lover1414 reviews
The Chosen undead didn't confront Gwyn, didn't link the first flame and as the world around him starts to to break, he created a way to escape. In a new world the chosen undead made himself king and brought the world under his command, with the whole world the only thing left were the stars beyond but space itself brings forth entirely new challenges and trials
Crossover - Mass Effect & Dark Souls - Rated: M - English - Chapters: 3 - Words: 6,746 - Reviews: 10 - Favs: 66 - Follows: 105 - Updated: 5/21 - Published: 6/7/2021
Assassin's Creed: The Mass Effect by TomTheCat1 reviews
The Reaper War, 2186. Even in the face of complete annihilation, The Milky Way still suffers from infighting, some of which has been raging for thousands of years. As the last surviving member of the Assassin Brotherhood, Abigail has one chance to bring an end to the Templars, and to Cerberus.
Crossover - Mass Effect & Assassin's Creed - Rated: T - English - Romance/Adventure - Chapters: 26 - Words: 47,212 - Reviews: 8 - Favs: 54 - Follows: 67 - Updated: 5/21 - Published: 6/23/2019 - Shepard, Samantha T., Kai Leng, OC
The Way Forward by BigGsmallp reviews
Lost and adrift in the greatest of all seas, Kuzan attempts to find himself in their new life, and hopefully find redemption
Crossover - One Piece & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 6 - Words: 17,727 - Reviews: 14 - Favs: 57 - Follows: 77 - Updated: 5/20 - Published: 2/5 - Aokiji/Kuzan, Shepard
Mass Effect Crosover by jetslinger333 reviews
This fiction has different type of mass effect crossover ideas and other types as well, read and review if you like the series I wrote it. Next Update Iron Blooded Orphans x Rinne no Langrange
Crossover - Mass Effect & Kamen Rider - Rated: T - English - Sci-Fi/Adventure - Chapters: 25 - Words: 79,018 - Reviews: 37 - Favs: 37 - Follows: 37 - Updated: 5/19 - Published: 5/18/2014
Mass Effect demi humans by EclipsePheniox reviews
Long ago on earth demi-humans appeared on earth. Now expanding into the galaxy the other races have to deal with both humans and demi-humans. Mass effect story from beginning to end but with monster people to make it more interesting. Experimental, possible harem
Crossover - Mass Effect & Monster Girl Encyclopedia - Rated: M - English - Adventure/Sci-Fi - Chapters: 32 - Words: 105,917 - Reviews: 40 - Favs: 220 - Follows: 222 - Updated: 5/17 - Published: 8/2/2019
Temporal Displacement with Gamer Characteristics by Keywielder reviews
As if shifting between the real world and Elite-verse when I had just graduated from Senior High for a few months wasn't enough, now they're telling me that it was a goddamned Beta THE WHOLE TIME, after FIVE FUCKING YEARS of God knows what in the actual fuck and ONLY NOW I get the full release! Fuck it. Let's just roll with this crap... Gamer, OC, SI. Current World: Mass Effect.
Crossover - Mass Effect & Elite Dangerous - Rated: M - English - Sci-Fi - Chapters: 3 - Words: 35,158 - Reviews: 20 - Favs: 147 - Follows: 213 - Updated: 5/16 - Published: 11/20/2021
War of the Old Ones by Ian the Mechanic reviews
In forgotten ages past, two near eldritch forces vied for the very life essence of the Galaxy. Unknown to the young races, that war is still ongoing. how can the UNSC, the Citadel Council or the Covenant hope to stand against such forces, when they are still embroiled in their own petty squabbling? How could they hope to survive the War of the Old Ones?
Crossover - Mass Effect & Halo - Rated: M - English - Sci-Fi/Horror - Chapters: 14 - Words: 72,595 - Reviews: 86 - Favs: 142 - Follows: 224 - Updated: 5/16 - Published: 2/21
The Yorha effect by Drarnegas reviews
5 years after the end of the 14 machine war, Yorha starts the long effort of rebuilding earth for mankind. When suddenly a new threats comes to their world. (Slight different ending of Nier automate and head-cannon. Slight OP Yorha.)
Crossover - Mass Effect & Nier - Rated: M - English - Sci-Fi - Chapters: 18 - Words: 38,044 - Reviews: 86 - Favs: 371 - Follows: 520 - Updated: 5/14 - Published: 5/13/2019
System Alliance: Unknown Regions by Konradoziom reviews
After the end of War for Milda, System Alliance spent the next few years rebuilding the fleet. New classes of ships that fully hybridized the acquired technologies began to be produced at a tremendous pace, and System Alliance decided to resume expansion, but towards Unknown Regions, and not to known parts of the galaxy.(Sequel to - System Alliance: War for Milda)
Crossover - Star Wars & Mass Effect - Rated: K+ - English - Adventure/Sci-Fi - Chapters: 5 - Words: 11,027 - Reviews: 8 - Favs: 38 - Follows: 41 - Updated: 5/14 - Published: 4/4 - Complete
Beyond Horizon: First Contact by Lostbasin reviews
Horizon Zero Dawn/Mass Effect/Overwatch crossover. The world ended and there was nothing we could do to stop it. Not by the Omnics we fought against, but by the very weapon we made to combat them. It was only the vision of Dr. Sobeck that humanity now has a chance to rebuild out of the ashes of our extinction. But now we're not alone, on our planet or the galaxy at large.
Crossover - Mass Effect & Horizon Zero Dawn - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 43,469 - Reviews: 59 - Favs: 294 - Follows: 393 - Updated: 5/13 - Published: 6/6/2019 - GAIA, Elisabet S.
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