Mass Effect and Star Trek Online Crossovers
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The Q effect by dark platinum
La federacion tiene una deuda con Q , asi que este ser todo poderoso decide que de igual forma que el salvo a la flota estelar y por extencion a una parte del cuadrante alfa cuando les presento a los Borg , es momento de que ellos hagan lo mismo salvando no solo a un govierno si no a toda una galaxia de un enemigo similar
Rated: T - Spanish - Sci-Fi/Adventure - Chapters: 1 - Words: 1,438 - Favs: 1 - Follows: 1 - Published: 1/6/2020 - Admiral Hackett, Councilor Tevos, OC
ME STO fanfiction by Rorikjr reviews
After the Crucible fired, the crew of the SSV Normandy SR-2 find themselves in an alternate Milky Way, where Earth is still present but the Systems Alliance is replaced by the United Federation of Planets. Will Shepard and crew find a way back, or did the Federation find a permanent crew for unofficial black ops with full deniability? update: now dead, possible remaster in future
Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 29,745 - Reviews: 33 - Favs: 48 - Follows: 54 - Updated: 3/20/2018 - Published: 10/4/2017 - [Shepard, Ashley W.] [Garrus V., Tali'Zorah]
Matter of honor by Lighting wolf knight reviews
Captain Nurf is the captain of the IKS Verlargh. During a mission to stop a band of Klingon Traitors, they are flung into a universe they do not understand. Now they must team up with unlikely Allie t stop a evil that threatens both their universes. Rated t for violence, death and Profanity. Chapters on Saturday. This or Romulan story may go on hold for the other story.
Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 6,878 - Reviews: 3 - Favs: 6 - Follows: 8 - Updated: 7/31/2017 - Published: 7/29/2017 - Tali'Zorah, Shepard, OC
Mass trek by Arcticfox654 reviews
Fallow the Tiberous and the adventures of "The Arctic" where they meet new people, go to exciting places and destroy expensive things that may or may not be important
Rated: T - English - Romance/Sci-Fi - Chapters: 2 - Words: 4,961 - Reviews: 1 - Favs: 7 - Follows: 8 - Updated: 10/13/2016 - Published: 9/29/2016
Temporal Effect: Iconian Aftermath by h1995 reviews
The Iconian War is over and the powers from the Alpha and Beta Quadrants are left to recover, but the discovery of a wormhole in the Archer System is too much to ignore, will what is found on the other side lead to an era of peace or will the Romulan Republic, Klingon Empire and United Federation of Planets be dragged into another costly war...
Rated: T - English - Sci-Fi - Chapters: 4 - Words: 23,868 - Reviews: 12 - Favs: 58 - Follows: 66 - Published: 6/9/2016 - J. Garson, Ashley W., OC
Gotterdammerung by Gunsmith3000 reviews
The ultimate troll decides to help the Mass Effect reality by grabbing someone who vaguely remembers playing the game and then takes "ideas" of his current game and tossing them all into another universe to help out. Massive Self-Insert/AU with some loose "fixed" points to get around - or outright obliterate. Stand tall, and shake the heavens!
Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,356 - Reviews: 20 - Favs: 69 - Follows: 99 - Published: 12/9/2015
Crossover URE by Ron the True Fan reviews
The year is 2410. Operation Delta Rising has resulted in the disappearance of two Federation starships. The Ra-Cailum and Raging Tempest are presumed destroyed in action. - Starfleet Command. Two Federation starships end up in a situation similar to Voyager's, only on a galactic scale. Surrounded by enemies and few allies, they must change the destiny of a universe.
Rated: T - English - Chapters: 7 - Words: 127,971 - Reviews: 35 - Favs: 128 - Follows: 130 - Updated: 12/5/2014 - Published: 10/21/2014
Mass Causes Effect by Shadowmane2001 reviews
The USS Constellation after traveling through the Genesis anomaly, Her Crew ends up in the Mass Effect universe, needing to find help and assistance to get back home. But the Question is, what do those Illusive people behind the scenes have in mind for this strange new ship with fantastic new technology.
Rated: M - English - Adventure/Sci-Fi - Chapters: 3 - Words: 16,235 - Reviews: 7 - Favs: 42 - Follows: 47 - Updated: 12/1/2014 - Published: 8/25/2014
Crossover Paradox by Ron the True Fan reviews
The Systems Alliance N7 Havoc Squad is assigned to the other side to discover how to deal with the other side's nations, and discovers that they may be a little over their heads.
Rated: T - English - Chapters: 1 - Words: 13,146 - Reviews: 3 - Favs: 21 - Follows: 14 - Published: 11/11/2014
Council Intelligence File On Alternate Reality by Ron the True Fan reviews
All data on the alternate universe. Access Code Required: ********* Welcome, ****. We know what Starfleet thinks of the ME side. What do they think of them?
Rated: T - English - Chapters: 2 - Words: 2,850 - Reviews: 5 - Favs: 23 - Follows: 19 - Updated: 11/9/2014 - Published: 10/31/2014
Crossover by Ron the True Fan reviews
Two universes meet at the turning points of their histories. Will this be the promised end or a new beginning?
Rated: T - English - Chapters: 9 - Words: 109,542 - Reviews: 35 - Favs: 84 - Follows: 87 - Updated: 10/18/2014 - Published: 8/20/2014 - Complete
The War in the Dark by Rha'Shazad reviews
Mass Effect/ Star Trek Online crossover! Please be gentle, once it gets off the ground it should get better. Female Adept Shepard, Paragon war hero. All other details inside.
Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 37,506 - Reviews: 16 - Favs: 58 - Follows: 89 - Updated: 7/27/2014 - Published: 1/10/2013 - J. Garson