Mass Effect Crossovers
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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: 804 - Follows: 865 - 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: 441 - 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: 2,026 - Follows: 2,342 - 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: 589 - Follows: 769 - 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: 60 - 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: 22 - Favs: 62 - Follows: 92 - 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: 312 - Follows: 382 - 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: 28 - Follows: 32 - 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: 2 - 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: 48 - 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: 247 - Updated: 7/9 - Published: 2/22 - Naruto U., Shepard
Feared Reverence by ayab reviews
376 years after the battle between heaven and earth. Two humans have achieved godhood. Using their power to guide humanity to the stars. How will the galaxy react to see a species so advanced yet so primitive? So powerful yet not wanting to use their power. They are what the citadel race aspires to be and hates because of their jealousy.
Crossover - Naruto & Mass Effect - Rated: T - English - Fantasy/Sci-Fi - Chapters: 29 - Words: 114,630 - Reviews: 204 - Favs: 369 - Follows: 470 - Updated: 7/8 - Published: 1/14/2023
Timeline(Spoilers for call of new vegas rework) by Darell441
A timeline for my fallout fanfic and upcoming mass effect fanfic warning it may contain spoilers
Crossover - Fallout & Mass Effect - Rated: T - English - Chapters: 1 - Words: 2,317 - Favs: 1 - Follows: 1 - Published: 7/6 - Complete
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: M - English - Sci-Fi/Adventure - Chapters: 31 - Words: 127,304 - Reviews: 524 - Favs: 1,094 - Follows: 1,547 - Updated: 7/5 - Published: 12/26/2021 - OC, Tali'Zorah, Admiral Hackett, Rael'Zorah
Unknown Territory by giblo126 reviews
Earth was under siege by the Strogg, with no escape in sight. When the Turians find them, they're quick to jump in to the fray. But they just might open up a war none of them saw coming...
Crossover - Quake & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 4,033 - Reviews: 14 - Favs: 22 - Follows: 30 - Updated: 7/5 - Published: 6/15
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: 47 - Words: 158,680 - Reviews: 65 - Favs: 304 - Follows: 318 - Updated: 7/5 - Published: 8/2/2019
Effected Destiny Part 1 by Viperstrike2 reviews
Our favourite guardian is investigating an anomaly on the moon that grabs him and deposits him onto Eden prime
Crossover - Mass Effect & Destiny - Rated: M - English - Chapters: 21 - Words: 50,718 - Reviews: 46 - Favs: 228 - Follows: 293 - Updated: 7/1 - Published: 12/5/2019
Commander Shepherd Vs The Multiverse by Mace sheperd reviews
Commander Shepherd, The Butcher Of Torfan is already one of the strongest humans. So what happens when he is given the power of The Gamer and sent on a quest across the multiverse? Look out Multiverse, here comes The Butcher Of Torfan and he will slaughter all who defy him.
Crossover - Mass Effect & Manhwa/Korean Comics/만화 - Rated: M - English - Sci-Fi/Romance - Chapters: 3 - Words: 23,969 - Reviews: 2 - Favs: 9 - Follows: 13 - Updated: 6/30 - Published: 5/12 - Tali'Zorah, Shepard
Ascensionis by dxd.belphegor reviews
How different can be two different versions? While the first is in relative peace and tranquility, the second is in an endless war for survival, where each alien species does not hesitate to tear the other's throat out just to save itself. And what would happen if only two far from the most powerful individuals were transported from this very galaxy to the first?
Crossover - Warhammer & Mass Effect - Rated: M - English - Adventure/Fantasy - Chapters: 5 - Words: 11,740 - Reviews: 16 - Favs: 26 - Follows: 38 - Updated: 6/30 - Published: 6/20
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