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A Tale of Two Engineers: Redux by Inkytan reviews
A romantic action story involving Isaac Clarke (romanced with Tali'Zorah) After Isaac becomes somehow thrown into the universe of Mass Effect, he joins up Shepard's crew, experiencing crazy adventures and emotional moments with his new family and newfound love. Just, give it a read, you might like it. - This is an old high school fanfiction I'm rewriting. It's been 8 years lol
Crossover - Mass Effect & Dead Space - Rated: M - English - Romance/Sci-Fi - Chapters: 5 - Words: 44,491 - Reviews: 71 - Favs: 208 - Follows: 277 - Updated: 7/2 - Published: 8/22/2015
Wasteland Galaxy by Redentor reviews
Matriarch Lantaya is a brave explorer from the Golden Age of Asari space exploration, and she wants to go home. The Lone Wanderer is a messianic cyborg from a world scorched in nuclear fire, and he wants to save the wastelands. Courier Six is a tribal postman who usurped control of an entire city state. He wants to eat people. Among other things. (Also available on Spacebattles)
Crossover - Fallout & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 39 - Words: 289,781 - Reviews: 46 - Favs: 225 - Follows: 285 - Updated: 7/1 - Published: 1/5/2022 - Lone Wanderer, Courier, OC
New Start Plus: in spaaaaace! by omaster43 reviews
Nick Walters and his merry band of misfits are back with a story about helping Shepard and crew fight giant eldritch robot abominations, most likely through Dumb magic and crazy shenanigans This is a continuation of my previous story, so reading that one first is recommended. but I'm not your nanny you wanna be confused that's your choice. Oc-insert, just came from Dragon age
Crossover - Game X-overs & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 3 - Words: 58,092 - Reviews: 52 - Favs: 177 - Follows: 217 - Updated: 6/29 - Published: 6/6 - Garrus V., Tali'Zorah, Shepard
The Long, Long Walk by This Is Sarcasm reviews
Having stopped the Hive incursion on Eden Prime at the expense of being stuck in Commander Shepard's reality, Crow is offered a place on the Normandy. With nowhere to go, he accepts, and finds himself at the front of the fight against the Collectors, while at the same time trying to learn how to trust the ship's residents. In the end, though... maybe he's not 'stuck' after all.
Crossover - Mass Effect & Destiny - Rated: T - English - Sci-Fi/Angst - Chapters: 29 - Words: 98,119 - Reviews: 205 - Favs: 359 - Follows: 502 - Updated: 6/28 - Published: 9/15/2021 - Joker, Shepard, Dr. Chakwas, Crow
Effects of Man by Krotosin reviews
During the shitshow that Eden Prime was, Shepard finds a man buried near the beacon. With him, two AIs, one from Reach, the other from Typhon. With him at her side, Jane's mission is easier. If it wasn't for the fact he's a sociopathic killer. And a shy one at that. Mostly Titanfall and Halo, with some Deep Rock Galactic. This is just a way to vent my ideas, so keep that in mind
Crossover - Mass Effect & Titanfall - Rated: M - English - Sci-Fi - Chapters: 2 - Words: 15,753 - Reviews: 6 - Favs: 30 - Follows: 44 - Updated: 6/28 - Published: 6/10
Héroe De Una Galaxia Distante by fitoxi reviews
'Retornador'; El Quirk que envio a Izuku a otro mundo, para luego regresarlo de vuelta, conservando todos los poderes que había ganado. Lamentablemente, nadie le creera si intenta revelar el origen de sus otros Quirks, 'Bioticos/Omniherramienta' y menos se creeran el cuento de que fue el más grande héroe de una galaxia. [Izuku OOC/Inicialmente, Vigilante/Harem ( Solo 2 parejas)]
Crossover - Mass Effect & My Hero Academia/僕のヒーローアカデミア - Rated: T - Spanish - Adventure/Romance - Chapters: 9 - Words: 84,654 - Reviews: 3 - Favs: 21 - Follows: 21 - Updated: 6/27 - Published: 3/3/2022 - [Liara T'Soni, Himiko Toga, Tali'Zorah, Izuku M.]
Mass Effect: Resurrection by RabidRabbids reviews
Shepard's life hadn't gotten any easier. Entire colonies were disappearing, millions of people gone. And that's not even mentioning she'd been dead for two years, but desperate times call for desperate measures, and Shepard is forced to work with Cerberus to find out what's behind the disappearances. Thankfully, she's got monsters backing her up. (Sequel to Monstrum Immortalem)
Crossover - Mass Effect & Guardians of the Galaxy - Rated: M - English - Sci-Fi/Adventure - Chapters: 25 - Words: 114,596 - Reviews: 7 - Favs: 20 - Follows: 25 - Updated: 6/26 - Published: 6/15/2021
Shadows and Dust by HistoricalHijinks reviews
Shattered, Reborn, Reforged, Remade. The gaze of the Pheonix Force, seeking purpose and understanding, falls upon the Reapers and their harvests. Disgusted by their perverted, farcical 'cycle', it decides to wipe their stain from the multiverse. Needing a perfect host, it waits tens of millennia until, as Hannah Shepard is miscarrying due to eezo radiation, it finds one in her womb
Crossover - X-Men & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 4,405 - Reviews: 8 - Favs: 82 - Follows: 107 - Published: 6/25 - Ashley W., Liara T'Soni, Shepard
Stellar Effect Codex by Brandon Storm reviews
A Codex exploring the History and Lore of the Stellar Effect Universe
Crossover - Mass Effect & Stellaris - Rated: T - English - Sci-Fi - Chapters: 15 - Words: 34,063 - Reviews: 24 - Favs: 37 - Follows: 34 - Updated: 6/25 - Published: 8/7/2022
Mass Wars Episode II by Fantasymaker76 reviews
Five Years have past since the destruction of the Normandy and the death of Commander Shepard. Now a new order is rising in the unmapped regions of the galaxy which is leaving unease in both the Republic and the Citadel. Determined to find out what is going on, a pro-human organisation has made plans to find out what this mysterious group wants.
Crossover - Mass Effect & Star Wars - Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 20,113 - Reviews: 7 - Favs: 18 - Follows: 21 - Updated: 6/25 - Published: 3/13
Unknown events have unmeasurable answers by El callampas reviews
When someone contacts the Quarians about old machinery, they should think twice before engaging with a strange yet so familiar species, a war, and circumstances that will shock two galaxies now that the rift is open.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Drama - Chapters: 19 - Words: 171,873 - Reviews: 333 - Favs: 536 - Follows: 761 - Updated: 6/25 - Published: 4/21/2022 - [Master Chief/John-117, Tali'Zorah] J. Cutter
Humanity Perpetuum by Slim Dustpan reviews
My earliest work, now fully updated! (wow). Within is a tale of a collision of the absurd and rather horrifying world of Red alert and the rich world of the Citadel council, a clash of cultures and species with colourful characters and large scale intergalactic war. Filled with all varieties of Battle; Space Battles, Ground battles, Diplomatic Battles, and (possibly) many more!
Crossover - Command & Conquer & Mass Effect - Rated: T - English - Sci-Fi/Humor - Chapters: 4 - Words: 9,638 - Reviews: 17 - Favs: 37 - Follows: 52 - Updated: 6/24 - Published: 4/17/2018
Here There Be Monsters by J-Litt-Press
An ancient threat emerges from the darkness to threaten all life in the galaxy. The only ones who are brave enough and crazy enough to stop it are a mismatched crew of warriors, smugglers, and scientists. They face the worst the galaxy has to offer and face down the most terrifying monsters from the darkest regions of space. It's a fight for survival.
Crossover - Star Wars & Mass Effect - Rated: M - English - Horror/Adventure - Chapters: 1 - Words: 1,128 - Favs: 2 - Follows: 3 - Published: 6/21
Mortal Desperations by Solthrin reviews
Arcturus Magnus, Sagittarum of the Legio Custodes, has fought for years within the webway and the Impossible City. Upon taking a near-fatal wound, the Emperor Himself removes Arcturus from the front, sending him instead to bring forth reinforcements from the Mechanicum. When something goes wrong during the return, where does this Custodian find himself?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 4 - Words: 22,864 - Reviews: 58 - Favs: 294 - Follows: 440 - Updated: 6/21 - Published: 1/17 - Adeptus Mechanicus, Tali'Zorah, Shepard
On the Shoulders of Giants by Shoot The Runner reviews
Two galaxies thrown together by a cosmic fluke. On one side of the galaxy, the war-weary UNSC vows to rebuild and become a giant in the stars so that they will never be so helpless again. Whilst another humanity is still finding its feet in the Citadel, with treachery and politics hindering its progress. How does the merging of two galaxies impact the course of all of their fates?
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 9,844 - Reviews: 34 - Favs: 211 - Follows: 284 - Published: 6/20 - Master Chief/John-117, T. Hood, Shepard, D. Udina
Vengeance of the Suit Rat by SympathyForTheQuarians reviews
On an ordinary day in the Migrant Fleet in 2182, a quarian picks up the Death Note. Nothing good happens for anyone outside the Migrant Fleet. AU, made out of necessity to show you that ya'll are writing too many stories about Light Yagami and not being creative enough.
Crossover - Death Note & Mass Effect - Rated: T - English - Supernatural/Horror - Chapters: 13 - Words: 6,642 - Reviews: 7 - Favs: 15 - Follows: 11 - Updated: 6/20 - Published: 9/14/2022 - Aria T'Loak - Complete
Not in one's own plate by Sicht reviews
Time has become an elusive concept, leaving V uncertain if she has been trapped for a year or even longer. Amidst lingering anxiety and worries, she clings to the belief that her sacrifices were not in vain, desperately seeking a glimmer of hope for a meaningful outcome to her plight. Since hope dies last.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Adventure/Sci-Fi - Chapters: 9 - Words: 44,973 - Reviews: 14 - Favs: 68 - Follows: 124 - Updated: 6/18 - Published: 9/8/2022 - V, OC
Seven troubles - one response by Sicht reviews
The Yearly Societal Rendezvous on Trimidia transforms into a battleground of concealed motives and power clashes shaped by the revolutionary 'Mass Effect' technology. The consequences of a failed Rendezvous loom large, as it threatens to disrupt delicate balances, even back home on Earth.
Crossover - Mass Effect & Cyberpunk 2077 - Rated: M - English - Mystery - Chapters: 3 - Words: 10,481 - Reviews: 3 - Favs: 11 - Follows: 22 - Updated: 6/18 - Published: 11/3/2022 - D. Anderson, Admiral Hackett, Shepard
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: 6 - Words: 37,256 - Reviews: 48 - Favs: 197 - Follows: 280 - Updated: 6/18 - Published: 3/18 - Imperial Guard, OC, Shepard
The Prelude of War by Indigard reviews
A very different Mass Effect galaxy encounters a strange and relentless invader that is on constant hunger for Biomass but they never know it's just a glimpse of what coming for them. Featuring: alternative history for every species, a bigger and more populated galaxy, cunning Asari, militarized and germanized human empire.
Crossover - Warhammer & Mass Effect - Rated: T - English - Chapters: 9 - Words: 155,032 - Reviews: 37 - Favs: 89 - Follows: 95 - Updated: 6/17 - Published: 11/6/2021 - Imperial Guard, Tyranids, OC, Shepard
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: 45 - Words: 777,857 - Reviews: 1285 - Favs: 1,798 - Follows: 2,153 - Updated: 6/16 - Published: 6/8/2018 - SPARTAN-B312/Noble Six, Rookie
DOOM Effect: V2 by Zrocker119 reviews
Alexander Carter didn't accomplish anything truly worth noting during his life. So when he was offered a chance to make a difference in the overgrowing universe he accepted without much argument on his part. Now armed with the skills and knowledge of one of the deadliest and most feared warrior in existence, The Doom Slayer, Alex will make sure that all will know his name.
Crossover - Doom & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 10 - Words: 60,618 - Reviews: 849 - Favs: 2,775 - Follows: 3,511 - Updated: 6/15 - Published: 3/25/2019 - Doomguy, Shepard
The Eternal Lord 40k - ME by HellFox83 reviews
A battle against the forces of Chaos strands a Necron lord in the galaxy of Mass Effect. With what's left of his dynasty under his banner, Veronakh Lord of Solvatakh intends to lead his people to glorious conquest. Can Commander Shepard stop the Collectors and curtail the ambitions of the Necrons?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 27 - Words: 321,060 - Reviews: 109 - Favs: 367 - Follows: 496 - Updated: 6/14 - Published: 6/13/2020 - Necrons, Shepard
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: 5 - Words: 56,052 - Reviews: 48 - Favs: 266 - Follows: 344 - Updated: 6/14 - Published: 11/20/2021
Upon a Lion's Tooth by The Shaper
"That's the thing about Light, you never know where it'll shine." Sensing the final plays of the struggle between Light and Dark are about to be made, the Nine make a gambit of their own with an unlucky Guardian.
Crossover - Mass Effect & Destiny - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 725 - Favs: 6 - Follows: 15 - Updated: 6/14 - Published: 6/10 - Legion, Shepard, Ghost, Guardian
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