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Of Shepards and Imperials by Mandrake109 reviews
One of the oldest living perpetuals along with the remains of an inquisitorial retinue are transported into an alternative past where aliens are not simply foes to slay but friends and allies to mankind. For the perpetual it's a nice change of pace for the others? Well they may learn that co-existence might not be such a bad thing after all... Rated M for obvious reasons.
Crossover - Warhammer & Mass Effect - Rated: M - English - Sci-Fi/Fantasy - Chapters: 10 - Words: 112,899 - Reviews: 90 - Favs: 237 - Follows: 327 - Updated: 8/3 - Published: 3/7/2019 - Imperial Guard, OC, Shepard
Were it So Easy by Sigma0327 reviews
Six's life was a giant war. Every battle was a test of sheer tenacity and stubbornness against insurmountable odds. Every moment, every bullet fired, every Covenant, Insurrectionist, and Flood spore killed has led up to his last fight. Once again he was one of the few that stood between Earth and her enemies. This would be his final battle, and nothing could change that, right?
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 13 - Words: 171,604 - Reviews: 250 - Favs: 1,090 - Follows: 1,532 - Updated: 8/3 - Published: 11/9/2020 - SPARTAN-B312/Noble Six, Tali'Zorah, Miranda L., Shepard
Operation ECLIPSE by HelenTheMoon reviews
Pre-ME1 post-Frontiers Xover, in which the Sonic version of Earth replaces ME Earth. A Batarian planet suddenly turns invisible, and things only get weirder from there. That poor STG agent won't know what hit him, that's for sure. And neither will the rest of the galaxy - once Sonic and Eggman get there. Crossposted on Spacebattles and AO3. Rating may change.
Crossover - Sonic the Hedgehog & Mass Effect - Rated: T - English - Sci-Fi/Fantasy - Chapters: 11 - Words: 118,217 - Reviews: 63 - Favs: 81 - Follows: 105 - Updated: 8/3 - Published: 11/26/2023 - Sonic, Tails, OC
The Reclaimer Wars:The Reaper Crisis by Johnnieboy11 reviews
Six months prior to the worst crisis the normal Milky Way would face, Commander Shepard hunts the Collectors abducting human colonists in the Terminus Systems when she comes upon a terrifying new sight:Three Intergalactic fleets arrayed against each-other and her sole Frigate. Three new factions, one seeking a home and two seeking answers, all linked by the Star Roads.
Crossover - Game X-overs & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 17 - Words: 89,211 - Reviews: 98 - Favs: 181 - Follows: 233 - Updated: 8/3 - Published: 4/26 - Liara T'Soni, Tali'Zorah, Miranda L., Shepard
The Rook by Twisted Fate MK 2 reviews
On the way down to New Mombasa, Rookie falls into the Slipspace Rupture and ends up crashing down on Menae, high above Palaven, right in the midst of the Reaper War. From there, the war itself will shift and the fighting persists, but who knows what an ODST will add to the mix. (Redo of an older story)
Crossover - Halo & Mass Effect - Rated: M - English - Adventure - Chapters: 27 - Words: 97,708 - Reviews: 186 - Favs: 600 - Follows: 881 - Updated: 8/2 - Published: 7/8/2022 - Rookie, Shepard
Remnants by General Rage reviews
From Halo's ashes, a mismatched Alliance is born. UNSC soldiers now serve alongside both Batarian deserters and shifty Jackal Space Pirates. Now Shepard and Master Chief have to keep these strange bedfellows from killing one another before they can stop an emergent new threat to the galaxy. The Next Swashbuckling Chapter of the Wormhole Chronicles.
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Sci-Fi - Chapters: 45 - Words: 944,384 - Reviews: 874 - Favs: 521 - Follows: 597 - Updated: 8/1 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
The Effect of a Horse and a Dragon by Vimesenthusiast reviews
A different decision right after being cursed leads to a very different Ranma showing up in Nerima. When he goes after Herb to beat some sense into him Ryoga takes the chance to get rid of his rival once and for all, sending both combatants to the Mass Effect universe. What changes will two martial artists and their use of ki have on the coming conflict? RanmaXTaliXKasumiXSama
Crossover - Ranma & Mass Effect - Rated: M - English - Humor/Adventure - Chapters: 10 - Words: 206,310 - Reviews: 645 - Favs: 2,323 - Follows: 2,408 - Updated: 7/31 - Published: 2/2/2014 - Ranma, Kasumi G., Tali'Zorah, Samara
Quintessence Effect by EvaShinobiKaiserKnight reviews
From Cycles of long ago from uncharted regions of the universe comes a legend, the legend of Voltron the Legendary Defender of the Universe. A mighty robot loved by good feared by evil. As the cycles repeat the return of a great threat awoken a slumbering princess of a lost people would gather five new Paladins so they may bring back Voltron the Legendary Defender of the Universe.
Crossover - Mass Effect & Voltron: Legendary Defender - Rated: M - English - Sci-Fi/Fantasy - Chapters: 14 - Words: 141,475 - Reviews: 30 - Favs: 49 - Follows: 47 - Updated: 7/31 - Published: 7/14 - [Princess Allura, OC] [Shepard, Ashley W.] - Complete
Mobile Suit - Mass Effect: The First Contact War by Mister Smallville reviews
Two worlds collide, neither prepared for the other. The Solar Sphere Congress -successor to the long gone Earth Federation- unwittingly starts a galactic crisis when it makes first contact with a very angry, very trigger happy Turian Hierarchy.
Crossover - Gundam UC & Mass Effect - Rated: T - English - Sci-Fi - Chapters: 19 - Words: 118,026 - Reviews: 227 - Favs: 379 - Follows: 548 - Updated: 7/30 - Published: 8/7/2023
Guardian of Humanity by DarkRock reviews
This is a possible future of "The Gods Bleed" story.
Crossover - Naruto & Mass Effect - Rated: M - English - Adventure/Mystery - Chapters: 2 - Words: 2,784 - Reviews: 3 - Favs: 18 - Follows: 23 - Updated: 7/29 - Published: 6/15 - Naruto U.
Destiny Lost by Twisted Fate MK 2 reviews
The Gods left remnant together, with the statement they would never return to it or influence it. Only, that wasn't true, was it? The God of light, ever the hypocrite and liar, didn't abandon Remnant. Instead, he reincarnated someone to do his bidding and bring Remnant to them. Cue, the now dead Pyrrha Nikos and the God of Darkness' ideas. / Supporter Requested by Espacole & Spork
Crossover - Mass Effect & RWBY - Rated: M - English - Adventure - Chapters: 90 - Words: 354,651 - Reviews: 868 - Favs: 869 - Follows: 1,141 - Updated: 7/28 - Published: 5/5/2019 - Legion, Pyrrha N., Penny P., God of Darkness - Complete
Mass Effect 10 Ben Second Chance by benguin reviews
Here is a world for both Ben 10 and mass effects Fans, but basically it like any story where ben world is gone and lives in another universe to move on from the pain. I do not Own Ben 10 and Mass effect. They are owned by they respected properties of Man of Action and Bioware. Please support the official release.
Crossover - Ben 10 & Mass Effect - Rated: T - English - Sci-Fi/Romance - Chapters: 21 - Words: 63,617 - Reviews: 30 - Favs: 65 - Follows: 68 - Updated: 7/28 - Published: 2/15 - [Ben T., Miranda L.] Ship, Shepard
Eezo-Flux Theory by BrozTheBro reviews
Humanity found out that it was not alone in the galaxy. It had earned its place in the galactic community, and made it its goal to strive for unity and prosperity. But the barrier between galaxies is fickle, and another galaxy's mankind may yet make a significant difference in the galaxy's period of peace. The Council will stare down the wonders and horrors of the Collapse.
Crossover - Mass Effect & Starsector - Rated: M - English - Sci-Fi/Adventure - Chapters: 13 - Words: 63,377 - Reviews: 53 - Favs: 120 - Follows: 158 - Updated: 7/27 - Published: 3/11 - Garrus V., Liara T'Soni, Admiral Hackett, C. Pressley
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: 1697 - Favs: 1,891 - Follows: 2,325 - 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: 10 - Follows: 9 - Published: 7/25 - James H./Wolverine/Logan, Shepard - Complete
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: 10 - Follows: 13 - 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: 131 - Favs: 635 - Follows: 896 - 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: 9 - Follows: 8 - 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: 2,239 - Follows: 2,692 - 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: 811 - Follows: 873 - 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: 371 - 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: 2,036 - 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: 127 - Updated: 7/18 - Published: 11/6/2021 - Imperial Guard, Tyranids, OC, Shepard
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: 43 - Follows: 63 - 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: 104 - Updated: 7/17 - Published: 5/14
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