Mass Effect Crossovers
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The Reclamation by Fade Maybe reviews
Through ONI's manipulation, the UNSC stumbles upon a Mass Relay and is dragged into a new war. They'll discover the battered races of the Citadel, the political intrigue of its factions, and a second group of humans governed by the Systems Alliance, divided by Cerberus, and lead by Commander Shepard. Yet no one can stop what is to come: the Reclamation, and the death of the galaxy.
Crossover - Halo & Mass Effect - Rated: T - English - Drama/Suspense - Chapters: 54 - Words: 407,208 - Reviews: 1696 - Favs: 1,883 - Follows: 2,317 - Updated: 7/25 - Published: 3/13/2013
Canadian Blue: Off the Leash by brooklynrhyno reviews
With one final test in her way to N7, Commander Jane Shepard learns a valuable lesson from the Final Instructor at the ICT. As well she should. After all, he is "the best there is at what he does".
Crossover - X-Men & Mass Effect - Rated: K - English - Drama/Sci-Fi - Chapters: 1 - Words: 5,487 - Reviews: 1 - Favs: 9 - Follows: 7 - Published: 7/25 - James H./Wolverine/Logan, Shepard - Complete
Mass Effect: A lone hunter by GojiraGodzillafan1 reviews
Mass Effect x Destiny 2 A single guardian will be transported to the mass effect universe, for he is needed to help out a certain future Spector and his crew deal with there problems. But not just that universe's problems, a couple problems from the Guardians universe as well. Disclaimer, I own nothing in this story except my guardian
Crossover - Destiny & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 2 - Words: 7,101 - Reviews: 5 - Favs: 14 - Follows: 15 - Published: 7/24 - OC, Tali'Zorah, U. Wrex, Ghost
Mass Effect: Become Legend by Redgrave21 reviews
More than five years after the Reaper and Red Wars, Jane Shepard had lost her life for her galaxy, while Garrus Vakarian struggles to move on from the loss of the love of his life. But when Garrus begins to suffer strange dreams, the Normandy crew are thrust into a conflict that has lasted since the beginning of time. All while a strange voice tempts Garrus with… Salvation.
Crossover - Destiny & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 7 - Words: 34,763 - Reviews: 17 - Favs: 14 - Follows: 31 - Updated: 7/24 - Published: 7/7 - Garrus V., Shepard, Osiris, Cayde-6
Mass Effect Knight of the Old Republic by greudu
Mass Effect Knight of the Old Republic by Azura on SB (post to read on phone)
Crossover - Star Wars & Mass Effect - Rated: M - English - Chapters: 10 - Words: 42,229 - Favs: 8 - Follows: 11 - Published: 7/24
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: 11 - Words: 81,645 - Reviews: 130 - Favs: 634 - Follows: 894 - Updated: 7/23 - Published: 1/17/2023 - Adeptus Mechanicus, Tali'Zorah, Shepard
Canadian Blue: One Name by brooklynrhyno reviews
Logan is in the Mass Effect universe. How does the Queen of Omega deal with The Best There Is At What He Does?
Crossover - X-Men & Mass Effect - Rated: K - English - Humor/Adventure - Chapters: 1 - Words: 4,820 - Reviews: 1 - Favs: 7 - Follows: 7 - Published: 7/23 - James H./Wolverine/Logan, Kaidan A., Aria T'Loak - Complete
Saiyan Effect by bored peasant reviews
The Citadel Council weren't ready for a species with the power of the saiyans at their back.
Crossover - Mass Effect & Dragon Ball Super - Rated: T - English - Sci-Fi/Adventure - Chapters: 22 - Words: 132,480 - Reviews: 938 - Favs: 2,232 - Follows: 2,687 - Updated: 7/22 - Published: 8/9/2017 - Son Gohan, Son Goku, Vegeta
The Galaxy's last shinobi by Kfbanime87 reviews
As for summary. His planet and people were gone. Destroyed by the reapers. But he survived. Now thousands of years in the future, Naruto must navigate a galaxy unfamiliar to him along with his ragtag crew of friends. All while he makes a name for himself and makes plans to destroy the reapers when they return
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure/Humor - Chapters: 6 - Words: 58,098 - Reviews: 369 - Favs: 808 - Follows: 868 - Updated: 7/21 - Published: 3/27/2023 - Naruto U., Shepard
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: 14 - Words: 348,045 - Reviews: 137 - Favs: 370 - Follows: 440 - Updated: 7/19 - Published: 6/6/2023 - Garrus V., Tali'Zorah, Shepard
Sith Effect Episode I: First Contact by Metagray reviews
The ruins of Mars belonged not to the protheans but to humanity's ancestors, the Sith Empire. How will the Citadel react to a race that not only doesn't use mass effect technology, but is an anathema to their ideals. When the turians find the Sith, they face a war unlike any this galaxy has seen. The First Contact War has begun. Peace is a lie, there is only passion.
Crossover - Star Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 140,060 - Reviews: 738 - Favs: 2,033 - Follows: 2,347 - Updated: 7/19 - Published: 12/3/2022 - D. Anderson, Admiral Hackett, Rael'Zorah, OC - Complete
The Prelude to War by Indigard reviews
A very different Mass Effect galaxy encounters a strange and relentless invader that is in constant hunger for Biomass but they never know it's just a glimpse of what is coming for them. Featuring: an alternative history for every species, a bigger and more populated galaxy, cunning Asari, and a militarized and Germanized human empire.
Crossover - Warhammer & Mass Effect - Rated: T - English - Chapters: 12 - Words: 203,311 - Reviews: 59 - Favs: 114 - Follows: 126 - Updated: 7/18 - Published: 11/6/2021 - Imperial Guard, Tyranids, OC, Shepard
Sith Effect Episode II: The Skyllian Blitz by Metagray reviews
Having a seat on the council for almost two decades, the influence of the Sith has seeped into almost all aspects of Citadel space and has made them enemies within The Terminus Systems and Batarian Hegemony. John Shepard, Sith Apprentice, finds himself in this conflict with his loved ones at risk and only The Force to turn to in his darkest hour. Through Passion we gain Strength.
Crossover - Star Wars & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 4,121 - Reviews: 44 - Favs: 596 - Follows: 784 - Published: 7/18 - D. Anderson, Admiral Hackett, Shepard, Hannah S.
One Small Step by Bardothren reviews
Izuku opens a door inside a Turian ship and it all goes downhill from there.
Crossover - Mass Effect & My Hero Academia/僕のヒーローアカデミア - Rated: K - English - Sci-Fi/Drama - Chapters: 2 - Words: 5,273 - Reviews: 14 - Favs: 41 - Follows: 61 - Updated: 7/17 - Published: 6/11 - Izuku M., Nezu/The Principal
An intriguing result by ReligiousZealot reviews
The Turians, the military arm of the Council and the galaxy's peacekeepers, initially stood alone during their encounter with the Council. However, what if they hadn't been alone? What if their first contact wasn't solely with the Council? Imagine if they had an unexpected ally—a species unlike any other: the Zerg collective
Crossover - StarCraft & Mass Effect - Rated: T - English - Mystery/Suspense - Chapters: 7 - Words: 13,149 - Reviews: 23 - Favs: 69 - Follows: 103 - Updated: 7/17 - Published: 5/14
The long way home by DeltaSev reviews
Auraxis year 2945. The TR, NC and VS signs an uneasy peace with each other. They expand across the Luminair system, and start to explore outwards with the new FTL and Wormhole Teleportation. The wormhole from years ago has sent them even further away from the Earth they know and the Galaxy they lived in. Happening during the events of Mass Effect 2.
Crossover - PlanetSide & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 17,079 - Reviews: 5 - Favs: 24 - Follows: 32 - Updated: 7/16 - Published: 9/12/2023 - Miranda L., Jacob T., Shepard
Mario Effect by OroDeus reviews
Haunted by visions of impending doom, Mario summons his ragtag team of explorers to adventure. Their journey across the stars will uncover the koopa king's horrible plot to take over the galaxy.
Crossover - Mario & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 8,563 - Reviews: 3 - Favs: 3 - Follows: 6 - Updated: 7/15 - Published: 12/27/2023 - Mario, Luigi, Daisy, Toad
United Under Two Skies by Gearman reviews
The story of Rex Craster, Courier Six, and commander Jane Shepard as their worlds collide and both of their realities are forever altered. This Fan fic has been running for several years now, and as such starts out rough and (hopefully) gradually getting better. Please enjoy this labor of love, exploration, and experimentation on my part. I hope you come to love Rex and Jane too.
Crossover - Fallout & Mass Effect - Rated: M - English - Chapters: 41 - Words: 269,708 - Reviews: 93 - Favs: 315 - Follows: 384 - Updated: 7/15 - Published: 7/19/2014 - Courier, Veronica S., Jack, Shepard
Deathwatch: Embers (the Citadel incident) by Imperiumpilled30k reviews
999.m41 the brothers of Kill-Team Embers have been sent on what should have been a routine purging of Orkz in the Octurus sector, however something is a foot, a missing inquisitor and strange device make for a deadly pairing...with this encounter setting forth a much more dangerous chain of events... (RE-WORKED 1st chapter please leave reviews)
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 4 - Words: 21,599 - Reviews: 9 - Favs: 33 - Follows: 36 - Published: 7/14 - Space Marines, Deathwatch, U. Wrex, Shepard
Pandora Effect by Depressing Rat reviews
In wake of the RDA'S defeat at the hands of the Resistance, Pandora has soon entered a state of unity with the aid of Human Resistance and Avatars by introducing Sky people technology to the Na'vi tribes, this alliance soon forming the Pandoran Alliance.
Crossover - Mass Effect & Avatar - Rated: T - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 495 - Reviews: 3 - Favs: 9 - Follows: 15 - Published: 7/11
Mass Effect Crossover Ideas by Fire Wolf 2132 reviews
I don't have time to write like I used to, so I'll leave these here for anyone interested in the ideas.
Crossover - X-overs & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 1 - Words: 1,063 - Reviews: 3 - Favs: 4 - Follows: 4 - Published: 7/11 - Complete
Spectre Prime by Leopardman reviews
Commander John Shepard sacrificed himself to stop the Reaper War. He later wakes up in a universe completely different from his own. But he will soon show there’s more to him than meets the eye. (Warning: Rated T with minor cursing from Shepard.)
Crossover - Transformers/Beast Wars & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 8,773 - Reviews: 10 - Favs: 21 - Follows: 26 - Updated: 7/10 - Published: 6/24 - Shepard, Optimus Prime, Ironhide
Kerberos by timedraven117 reviews
Commissioned: The Green Flu struck earth like a meteor, in its clutches billions died, and a new world emerged. Now it is the year 2156 and that which has been dreaded by humanity ever since the truth of the Green Flu has come to pass. First Contact.
Crossover - Mass Effect & Left 4 Dead - Rated: M - English - Sci-Fi - Chapters: 13 - Words: 69,021 - Reviews: 23 - Favs: 160 - Follows: 222 - Updated: 7/9 - Published: 4/23/2021 - Illusive Man, Shepard
Mass Effect-Batman: Crisis On The Citadel by James Keller reviews
After 2 years of operating on Omega, The Dark Knight comes to the Citadel in pursuit of a dangerous new drug that is about to be unleashed upon the very heart of Council Space. This will put him into an alliance with Lt. Garrus Vakarian of C-Sec's Major Crimes Unit as they uncover a massive Conspiracy.
Crossover - Mass Effect & Batman - Rated: M - English - Crime/Mystery - Chapters: 8 - Words: 54,833 - Reviews: 19 - Favs: 49 - Follows: 60 - Updated: 7/9 - Published: 10/29/2021 - Bruce W./Batman, Garrus V., Liara T'Soni, Tali'Zorah
Amongst These Stars by Warlock99 reviews
To bring a revolution that spans the galaxy is a feat very few can accomplish. To create an Empire that covers an entire galaxy is something only Naruto's people can accomplish. Amongst these stars they would rule and the reapers would feel their wrath.
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure - Chapters: 5 - Words: 14,121 - Reviews: 33 - Favs: 190 - Follows: 248 - Updated: 7/9 - Published: 2/22 - Naruto U., Shepard
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