Mass Effect Crossovers
Filters
3.5K | Page 1 2 3 4 11 .. Last Next »

The Diary of a Time Lady 6: For the Glory of Sontar! by TimeTraveller-1900
The Sontaran-Terran Empire war is one of the most brutal wars in the Milky Way. Or at least it would be.
Crossover - Doctor Who & Mass Effect - Rated: K - English - Sci-Fi - Chapters: 1 - Words: 1,651 - Favs: 3 - Follows: 2 - Published: 7h - 3rd Doctor, Shepard - Complete
la cruzada de los perdidos by eduardogiribalde
t
Crossover - Warhammer & Mass Effect - Rated: T - Spanish - Adventure - Chapters: 27 - Words: 200,434 - Follows: 1 - Updated: 4/25 - Published: 4/24
Bring on the Wrecking Machine by Anhilliator1 reviews
After the Reopening of the Eve Gate - this time to another universe entirely, it didn't take long before New Eden came into contact with the Citadel Races - or rather, when a group of pirates unwittingly stumble their way into Horde territory. Thus begins the tale of the Citadel's biggest thorn-in-the-side.
Crossover - Mass Effect & EVE Online - Rated: T - English - Humor/Adventure - Chapters: 2 - Words: 5,388 - Reviews: 14 - Favs: 48 - Follows: 76 - Updated: 4/24 - Published: 3/16
The Wayfarer by Umbral Choir reviews
In the twilight of the universe, the Ihan-rii, a forgotten sect of Protoss travel to another reality to escape the hounds of the void. Xiltar, the last member of the umbral choir will guide his people into this world, only to find that he traded one war of annihilation for another.
Crossover - StarCraft & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 36 - Words: 103,639 - Reviews: 35 - Favs: 73 - Follows: 102 - Updated: 4/24 - Published: 2/5
Game Of The Demon by Ultimatedaywriter
What happens when you hand a feverous 11 year old bastard a sapient magic sword and tell him he's the rightful king? Silas hopes its a lot of blood shed and civil wars. Can Westeros hold itself back from eating itself or will a demon feed like a bloated tick. Smut Violence and Later Asari Also minor Hentai Gotcha System
Crossover - Mass Effect & Game of Thrones - Rated: M - English - Humor/Parody - Chapters: 3 - Words: 6,047 - Favs: 16 - Follows: 24 - Updated: 4/24 - Published: 4/21
Mass effect: The Grand Admiral by MasterHunter123 reviews
A man present at the end of the Reaper war is reborn by a 'Diety', given a system, he is told to save the universe. (Anti-Hero Mc, Gamer)
Crossover - Anime X-overs & Mass Effect - Rated: M - English - Sci-Fi/Crime - Chapters: 4 - Words: 6,632 - Reviews: 3 - Favs: 32 - Follows: 42 - Updated: 4/24 - Published: 4/16
Never Fade Away by Ideas-Guy reviews
Lives are cheap and money is everything. That's how the orphanage made its money - lending out children for human expirementation. L is an old man at the age of fifteen and he knows he doesn't have much time left. All that mattered was getting out, but he soon learns that the world is a lot bigger than Night City. And that the galaxy is a lot bigger than Earth.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Adventure/Drama - Chapters: 20 - Words: 103,976 - Reviews: 138 - Favs: 603 - Follows: 698 - Updated: 4/24 - Published: 10/31/2022 - Shepard, V
Garden of Conquest by SirBearington reviews
Being a planet can be quite challenging especially when they live in the most hostile environment known to man. Everything could technically end them. From other planets, wandering stars or even black holes. There's a never ending list of things that could ruin their day. At least they have tentacles to protect themselves. What do you mean planets aren't supposed to have tentacle?
Crossover - Cartoon X-overs & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 20 - Words: 52,818 - Reviews: 23 - Favs: 129 - Follows: 158 - Updated: 4/24 - Published: 3/1
I AM Shepard by oliverjack666 reviews
Mass effect is own by Bioware and EA. This was Inspired by ME SI: Ultimate Krogan. Though The Dimension hopping will have to wait. Freaking Squids.
Crossover - X-overs & Mass Effect - Rated: M - English - Chapters: 7 - Words: 18,794 - Reviews: 4 - Favs: 63 - Follows: 81 - Updated: 4/24 - Published: 9/19/2022
A fanfic idea of mine by ComplexProphet reviews
Posting in both fanfiction and crossover sections.
Crossover - Mass Effect & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 624 - Reviews: 3 - Favs: 2 - Follows: 3 - Published: 4/24
Anomaly Effect by Mr Ragnarok reviews
La Ciudadela es el centro de la civilización galáctica, un lugar donde conviven diferentes especies diferentes en armonía.Un día, unas naves de la Ciudadela desaparece durante una prueba de un nuevo motor FTL. Los rastreadores indican que ha saltado a un sistema estelar desconocido. Los líderes de la Ciudadela deciden investigar, encontrandoce con algo inaudito.
Crossover - Halo & Mass Effect - Rated: M - Spanish - Chapters: 2 - Words: 2,746 - Reviews: 5 - Favs: 12 - Follows: 13 - Updated: 4/23 - Published: 4/18
Stellar Effect by Brandon Storm reviews
The Reapers trap was perfect in its design. Their execution refined over billions of years, their technology refined since the dawn of time itself. Right up until Someone Broke the Trap!
Crossover - Mass Effect & Stellaris - Rated: T - English - Adventure/Sci-Fi - Chapters: 38 - Words: 169,542 - Reviews: 180 - Favs: 278 - Follows: 392 - Updated: 4/23 - Published: 8/7/2022
Mass Effect: A Guardsman's Tale by IX404 reviews
There are many tales of extraordinary heroes within the Imperium of Man, but every once in a while, one finds one that is unique among them all. This is the tale of a Guardsman that not only upheld his duty to the Emperor of Mankind, but also enabled the survival of a distant, and alien, galaxy.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 4 - Words: 23,199 - Reviews: 31 - Favs: 137 - Follows: 199 - Updated: 4/22 - Published: 3/18 - Imperial Guard, OC, Shepard
Story Ideas by Kirosha reviews
Various stories that may or may not be written. Some will be up for adoption.
Crossover - Harry Potter & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 8 - Words: 9,827 - Reviews: 4 - Favs: 13 - Follows: 15 - Updated: 4/22 - Published: 3/6/2013
Exciting Opportunities by Of Questionable Veracity reviews
In an unexpected and highly unlikely turn of events, a catastrophic warp breach from a crippled ship manages to fling a Rogue Trader - or rather, the youngest son of a Rogue Trader - through time and space to a universe quite unlike what anyone on-board in used to. They make the best of the situation.
Crossover - Warhammer & Mass Effect - Rated: K+ - English - Chapters: 37 - Words: 201,196 - Reviews: 514 - Favs: 690 - Follows: 964 - Updated: 4/22 - Published: 4/15/2019 - J. Garson
A Warden Amongst Starry Skies by SophimusPrime
What if, by chance, our esteemed Commander and her crew just so happened to unearth a strange, seemingly mundane mirror upon one of their many expeditions throughout the systems one day? Sure, at first it would have seemed like nothing. Just sat in the Shuttle Deck gathering dust for a while.. until a certain Hero just so happened to come tumbling out of it.
Crossover - Mass Effect & Dragon Age - Rated: M - English - Romance/Humor - Chapters: 3 - Words: 17,620 - Favs: 4 - Follows: 3 - Published: 4/22 - Garrus V., The Warden
la misma mision by eduardogiribalde
traducion de Mission Stays the Same
Crossover - Warhammer & Mass Effect - Rated: K+ - Spanish - Chapters: 6 - Words: 61,510 - Published: 4/21
Saga of the Bridgers-Year 6 by Ganel750 reviews
A new Menace. As the war between the Coalition and the Empire enters a standstill, entire colonies at the edge of Wild Space start disappearing. When a new enemy will prove to be a threat to both sides in the conflict, enemies will have to join forces to prevent this new menace from conquering the galaxy.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 23 - Words: 128,676 - Reviews: 4 - Favs: 20 - Follows: 15 - Updated: 4/21 - Published: 8/17/2022 - Thrawn, OC, Ezra B., Shepard
A Galaxy of Inheritors and Usurpers by HaloZealotDemon reviews
The Separatists destroy the Covenant in a brutal war, yet in the 2570s they persist in their efforts, but in two years they will be gone. However The Gods have other plans. The Migrant fleet decides that to escape through Relay 314 to unknown space, but meet, as LTCOL Church said "Sleep-deprived Titans with negative zero fucks to give." Heavy AU, Rvb elements, swearing.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Drama - Chapters: 3 - Words: 17,048 - Reviews: 48 - Favs: 234 - Follows: 320 - Updated: 4/21 - Published: 12/25/2022 - Arbiter, T. Hood, Tali'Zorah, Councilor Sparatus
Infestation of Creagach by Poseidon Productions reviews
Ripley Outpost, a small mining operation out in the Attican Traverse will be the site of an infestation of an alien species the Citadel has never expected. Starts off heavily Mass Effect before going down Aliens. Cast of OC's with some canon characters coming in later.
Crossover - Aliens/Predator & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 1 - Words: 2,675 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 4/20
solo fieles by eduardogiribalde reviews
t
Crossover - Warhammer & Mass Effect - Rated: T - Spanish - Adventure - Chapters: 3 - Words: 68,014 - Reviews: 1 - Published: 4/20
The Return of Hope by Masso 2010 reviews
Commander Shepard is dead. Knowing that they needed someone to complete his work fighting against the Reapers, The Illusive Man set his sights on the next best thing, Humanities greatest hero. The only problem is that Superman gave up on hero work a long time ago but can the threat of galactic extinction be enough for him to once again step into the light.
Crossover - Superman & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 24 - Words: 207,633 - Reviews: 295 - Favs: 634 - Follows: 742 - Updated: 4/20 - Published: 7/10/2020 - Clark K./Kal-El/Superman, Miranda L.
Azure Resilience by MarredTales reviews
New planets were always to be considered dangerous and for this asari huntress it was no different. Surviving the reaper war without knowledge of the outcome, she must use her abilities to her advantage to ensure her survival and find herself a place amongst the world. It was just bad luck that she arrived during a blight.
Crossover - Mass Effect & Dragon Age - Rated: M - English - Fantasy/Adventure - Chapters: 7 - Words: 23,635 - Reviews: 10 - Favs: 12 - Follows: 31 - Updated: 4/19 - Published: 1/30 - OC, Cailan T.
Rise of the Federation Alliance: Federation-Citadel War by SimplyLaggy reviews
( AU) A Citadel Council patrol fleet stumbles upon a Starfleet exploratory fleet who just discovered a mass relay, and fires on it, sparking a war on levels beyond the Citadel's imaginations! Meanwhile, Reapers detect these newcomers, and with their superiority complex, attack early! Meanwhile, Q sits on a beach chair munching popcorn, watching, and laughing!
Crossover - StarTrek: The Next Generation & Mass Effect - Rated: T - English - Chapters: 3 - Words: 5,741 - Reviews: 24 - Favs: 113 - Follows: 170 - Updated: 4/19 - Published: 2/21 - J. Picard, Admiral Hackett, Shepard
We'll Believe a Man Can WHAT! by Thuktun Flishithy reviews
The year is 1964, though the people of the Citadel don't know that date. Earth is unknown to them, a nice little blue world in an isolated corner of the galaxy. Yet, Earth's impact on the galaxy will be known far and wide, when its greatest hero decides to broaden his reach. The galaxy's going to be a nicer place, assuming everyone's brains don't break first. Humorous snippets.
Crossover - Superman & Mass Effect - Rated: T - English - Adventure/Humor - Chapters: 10 - Words: 12,347 - Reviews: 117 - Favs: 460 - Follows: 459 - Updated: 4/19 - Published: 2/23/2017
3.5K | Page 1 2 3 4 11 .. Last Next »