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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: 179 - Favs: 592 - Follows: 872 - Updated: 4h - 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: 43 - Words: 910,922 - Reviews: 854 - Favs: 516 - Follows: 592 - Updated: 6/2 - Published: 4/22/2016 - Master Chief/John-117, Cortana, Tali'Zorah, Shepard
Mass Effect: EXT SIGMA by IceFoxie reviews
The UNSC Infinity and her fleet escape the Didact's final bid to stop humanity from claiming the Mantle. By using the EXT SIGMA protocol, the fleet finds itself in uncharted space. Humans don't exist in this Mass Effect. How will the natives react to the UNSC refugees?
Crossover - Halo & Mass Effect - Rated: M - English - Adventure/Drama - Chapters: 4 - Words: 11,968 - Reviews: 11 - Favs: 61 - Follows: 80 - Updated: 19h - Published: 7/28
XCOM Terran Empire by emperorcaligula05 reviews
Sometime after the fall of the Elders at the hands of XCOM, a new government had formed from the combined efforts of the Reapers and the Templars, one that wished to see aliens not just exterminated from the face of the Earth but the eminent domain of human space. Will the might of the Citadel triumph over this new player or will the empires be swept forevermore into the dust bin?
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Angst - Chapters: 1 - Words: 4,518 - Reviews: 1 - Favs: 14 - Follows: 15 - Published: 8/1 - Liara T'Soni, Councilor Valern, Councilor Tevos, Councilor Sparatus
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: 639 - Favs: 2,310 - Follows: 2,389 - 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: 40 - Follows: 37 - Updated: 7/31 - Published: 7/14 - [Princess Allura, OC] [Shepard, Ashley W.] - Complete
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: 16 - Words: 80,295 - Reviews: 91 - Favs: 174 - Follows: 219 - Updated: 7/31 - Published: 4/26 - Liara T'Soni, Tali'Zorah, Miranda L., Shepard
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: 224 - Favs: 376 - Follows: 542 - Updated: 7/30 - Published: 8/7/2023
Outlaws of the Verse by Coltkit Prods. Omniva Verse reviews
In the World of "The Last Spartan" by "DinoJake" (Sequel/Spinoff/AU/Multi-Xover). 1000 years since the Reapers' defeat. People stopped aging (Supposedly caused by the wave that reprogrammed the Reapers). Kept sustainable by Replicators, Dyson Spheres, & Magic. Meanwhile: 3 Powers battle for the soul of the Galaxies: The Space Forces, Pirates, & The Outlaws. My OCs must choose sides
Crossover - Mass Effect & Halo - Rated: T - English - Sci-Fi/Family - Chapters: 10 - Words: 77,215 - Reviews: 4 - Favs: 17 - Follows: 13 - Updated: 7/30 - Published: 10/21/2023 - OC, OC, Master Chief/John-117, Shepard
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: 16 - Follows: 20 - Updated: 7/29 - Published: 6/15 - Naruto U.
Mass Effect: Spider and Wolf by Night Shadow76 reviews
The Spider-verse has been saved, the Inheritors had been defeated, and all is well. Well, except for one Spider. With his home gone and destroyed, he has no where to go, but with aid from Madam Web and The Other, he will have a new home, once that's on the edge of destruction. Now if only he could make sense of how Asari breeding works. Based loosely on the Inheritors storyline.
Crossover - Spider-Man & Mass Effect - Rated: M - English - Adventure - Chapters: 4 - Words: 19,338 - Reviews: 13 - Favs: 27 - Follows: 42 - Updated: 7/28 - Published: 6/12 - OC
The Bureau of Multiverse Affairs by RedFrontWriter
Recruited by the mysterious Lutece twins, a band of heroes are sent on a mission to hunt down the sinister Professor Moriarty as he attempts to become the greatest criminal in the multiverse.
Crossover - Doctor Who & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 106,433 - Favs: 7 - Follows: 11 - Updated: 7/28 - Published: 3/3 - 4th Doctor, Sarah Jane S., Garrus V., Tali'Zorah
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: 96 - Words: 418,978 - Reviews: 400 - Favs: 465 - Follows: 583 - Updated: 7/28 - Published: 8/7/2022
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: 865 - Favs: 869 - Follows: 1,139 - 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: 52 - Favs: 118 - Follows: 155 - 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: 55 - Words: 409,476 - Reviews: 1683 - Favs: 1,873 - Follows: 2,297 - Updated: 2/27/2023 - 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: 4 - Favs: 14 - Follows: 14 - 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: 6 - Words: 30,100 - Reviews: 15 - Favs: 9 - Follows: 21 - Updated: 7/15 - Published: 7/7 - Garrus V., Shepard, Ghost, Osiris
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: 9 - 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: 632 - Follows: 890 - 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: 6 - 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: 2,234 - Follows: 2,685 - Updated: 7/22 - Published: 8/9/2017 - Son Gohan, Son Goku, Vegeta
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