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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: 13 - Words: 73,173 - Reviews: 87 - Favs: 196 - Follows: 225 - Updated: 5h - Published: 8/3/2021 - Shepard
Just Another Day at the Office by Darthkvzn
Spectre-turned-bounty hunter (and unwilling interdimensional traveler) Jane Shepard arrives at her base of operations on Knowhere to embark on a mission to this dimension's version of Earth - one that could help her find her way back to the universe she was ripped from... (F!Shepard, multicrossover, part of the Kryptonverse series!)
Crossover - Ben 10 & Mass Effect - Rated: T - English - Adventure - Chapters: 3 - Words: 9,060 - Favs: 13 - Follows: 11 - Updated: 17h - Published: 6/25 - EDI, Shepard
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: 18 - Words: 80,038 - Reviews: 4 - Favs: 14 - Follows: 18 - Updated: 20h - Published: 6/15/2021
The New Order by Germanspeaker reviews
The Emperor give Thrawn everything what he need to destroy the Rebellion in the near of Lothal, but as he moves from Kuat to Lothal he hits a hyperspace anomaly. What Thrawn will do when he arifes with the sevens fleet the terminus systems? Will he brings the imperial order to this new galaxy?
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 7 - Words: 19,659 - Reviews: 37 - Favs: 125 - Follows: 176 - Updated: 21h - Published: 6/14 - Thrawn
BattleTech: The Mass Effect by IX404 reviews
During the beginning of the Reaper War, Shepard is informed of a Prothean artifact claimed by Cerberus and sent to stop them. Little does he know is that soon, he will find himself and his crew in a world both familiar and alien to their own.
Crossover - Mechwarrior/Battletech & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 78 - Words: 407,181 - Reviews: 564 - Favs: 200 - Follows: 238 - Updated: 8/26 - Published: 12/21/2020 - Garrus V., Shepard, James V., Nyreen K. - Complete
Bargain with the Gods by vlarto reviews
When the fate of billions is on the line, failing is no longer an option. When four beings offer Eve Shepard the strength she needs to finish her task. She has no choice but to accept, no matter the price she will pay.
Crossover - Warhammer & Mass Effect - Rated: M - English - Fantasy - Chapters: 6 - Words: 14,002 - Reviews: 3 - Favs: 10 - Follows: 12 - Updated: 8/24 - Published: 8/21
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: 21 - Words: 230,906 - Reviews: 97 - Favs: 300 - Follows: 416 - Updated: 8/24 - Published: 6/13/2020 - Necrons, Shepard
Maelstrom Effect Book 2: Shadows of Crimson by godospartan the Kitsune reviews
After Soverign's defeat, the sibling Commanders left to clean up the mess it left behind. But one of them was struck down by an unknown force. The next 2 years they go in search of the ones responsible, unknowing that a secret group is bringing their sibling back to life to fight the Reapers again. How will they react when they meet again? NaruxTali, Shakarian, Mature content later
Crossover - Naruto & Mass Effect - Rated: M - English - Sci-Fi/Hurt/Comfort - Chapters: 11 - Words: 131,842 - Reviews: 65 - Favs: 303 - Follows: 350 - Updated: 8/24 - Published: 12/25/2019 - Naruto U., J. Garson, Garrus V., Tali'Zorah
Amongst Stars & Broken Glass by TheWitchesRequiem reviews
Reapers. That word made Commander Artemis Shepard sick to her stomach. This was it. This was the end. But, she wouldn’t allow it. She would find a way to end them, once and for all. Even if it means stepping into another world.
Crossover - Dragon Age & Mass Effect - Rated: M - English - Romance/Drama - Chapters: 5 - Words: 4,827 - Reviews: 2 - Favs: 4 - Follows: 2 - Published: 8/23 - Shepard, Kaidan A., Alistair, Cousland
Vampire: The Blood Effect by Not-KamalaKhan315 reviews
After the apocalypse laid civilization low, the vampires rose to claim dominion over the world... and over the human race. Now the undisputed masters of what is now Terra, these Kindred and their mortal vassals set out amongst the stars to claim more domains, but they soon discover that they are not alone in this galaxy of darkness...
Crossover - World of Darkness & Mass Effect - Rated: M - English - Supernatural/Sci-Fi - Chapters: 3 - Words: 20,800 - Reviews: 9 - Favs: 34 - Follows: 40 - Updated: 8/22 - Published: 8/15 - Mage, Vampire
Anthem Effect by DragonKnight374 reviews
What if more than the world of Coda was isolated in space time? What will the freelancers do when they realize there’s more to the universe than their little planet, and how will the citadel react, to the Anthem of Creation?
Crossover - Mass Effect & Anthem - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 12,646 - Reviews: 25 - Favs: 71 - Follows: 107 - Updated: 8/22 - Published: 8/8
Primal Beings, New Horizons by Trico216 reviews
Lustria is destroyed, the lizardmen departed for the stars. Finding an ancient gateway, what will the children of the Old Ones find on the other side?
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 5 - Words: 10,933 - Reviews: 33 - Favs: 83 - Follows: 120 - Updated: 8/22 - Published: 3/11 - Lizardmen
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: 2 - Words: 4,441 - Reviews: 4 - Favs: 19 - Follows: 15 - Updated: 8/21 - Published: 8/7
Technophiles and Militarists by thelordofdarkreunion reviews
The Reaper invasion is nigh. Outnumbered and outgunned, the Citadel must turn to two new, dangerous allies for salvation: the Adeptus Mechanicus and Imperium of Man.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 12 - Words: 132,167 - Reviews: 281 - Favs: 285 - Follows: 400 - Updated: 8/21 - Published: 4/22 - Imperial Guard, Space Marines, Adeptus Mechanicus, Shepard
The Crusade of the Lost by Ninoslav reviews
A fleet of Imperial reinforcements, Mechanicus detachment and a chapter of White Eagles meant for Cadian sector are swallowed in the unruly sea that is Warp. They emerge into a new universe, one without the Emperor, their faith strong, they will see this galaxy conquered.
Crossover - Warhammer & Mass Effect - Rated: T - English - Sci-Fi/Horror - Chapters: 27 - Words: 195,120 - Reviews: 279 - Favs: 461 - Follows: 572 - Updated: 8/21 - Published: 8/16/2019
Saga of the Bridgers-Year 6 by Ganel750
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: 2 - Words: 9,069 - Favs: 4 - Follows: 3 - Updated: 8/21 - Published: 8/17 - Thrawn, OC, Ezra B., Shepard
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: 3 - Words: 13,203 - Reviews: 21 - Favs: 61 - Follows: 96 - Updated: 8/21 - Published: 8/7
Great Effort and A Hand by DemonKnight312 reviews
Alyssa wanted closure after returning to the land of the living, which in turn led to her bringing back an ancient warrior trapped by a devious would be god. The remains of his world left as a husk, the Dragonborn joins the Commander on her quest to save the Universe.
Crossover - Elder Scroll series & Mass Effect - Rated: M - English - Fantasy/Sci-Fi - Chapters: 5 - Words: 21,214 - Reviews: 42 - Favs: 173 - Follows: 270 - Updated: 8/20 - Published: 5/23/2021 - Dragonborn/Dovahkiin, Shepard
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: 13 - Words: 206,476 - Reviews: 208 - Favs: 453 - Follows: 566 - Updated: 8/19 - Published: 12/28/2020 - OC, U. Wrex, Shepard, Councilor Tevos
An Aura Effect by vmoneywashere reviews
10 years before the start of Season 1, Garnet Rose, twin brother to Ruby Rose, disappears from the face of Remnant. 20 years after the Reaper War, David Zorah Shepard, an N-6 of the Alliance, ends up on Remnant. Follow him as he rediscovers his past, deals with new foes, contacting the rest of the galaxy, and reconnects with loved ones. (Eventual Arkos, OC pairing:? For now).
Crossover - Mass Effect & RWBY - Rated: T - English - Sci-Fi/Family - Chapters: 2 - Words: 5,757 - Reviews: 9 - Favs: 44 - Follows: 62 - Updated: 8/17 - Published: 8/7 - OC, Summer R., Team RWBY, Team JNPR
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: 16 - Words: 133,446 - Reviews: 209 - Favs: 484 - Follows: 562 - Updated: 8/17 - Published: 7/10/2020 - Clark K./Kal-El/Superman, Miranda L.
The Final Cycle by The Grandiose Library
In Progress
Crossover - Mass Effect & X-overs - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 1,953 - Favs: 8 - Follows: 10 - Published: 8/16
The Might of Humanity by The Grandiose Library reviews
In Progress
Crossover - Mass Effect & Halo - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 6,741 - Reviews: 10 - Favs: 50 - Follows: 64 - Published: 8/16
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: 21 - Words: 96,065 - Reviews: 205 - Favs: 333 - Follows: 426 - Updated: 8/16 - Published: 8/17/2017 - Garrus V., Liara T'Soni, Shepard, OC
A Whole New World by Spartan III Commando reviews
Noble six's story did not end on Reach, he escaped the doomed planet after saving the Pillar of Autumn, and he and 117 fought across each Halo, until an incident sent him to a whole new world. And he is wholly unprepared for the journey in store.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 8 - Words: 32,575 - Reviews: 47 - Favs: 253 - Follows: 375 - Updated: 8/16 - Published: 7/7/2016 - SPARTAN-B312/Noble Six
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