StarTrek: Other and Mass Effect Crossovers
These Are the Voyages: The Collector War by CuChulainn X19 reviews
The USS Marathon, a Nova-class test bed en route to interspecies war games in 2385, finds itself two hundred years in the past, in an alternate universe vastly more alien than any previously discovered—and in dire need a helping hand. Those genocidal cuttlefish will have no idea what's waiting for them.
Rated: T - English - Chapters: 4 - Words: 13,637 - Reviews: 15 - Favs: 41 - Follows: 73 - Updated: 7/11 - Published: 5/11
Star Trek: Imperator by CAS2109 reviews
While following the trail of a damaged Borg Cube, the U.S.S. Imperator stumbles across a buried mystery and suddenly finds itself with seemingly no way to return to Federation space. The crew of the Imperator soon come to realise that far more than their own lives are in jeopardy as a new ageless foe skirts on the boundaries of the galaxy, while a familiar enemy lurks within...
Rated: T - English - Sci-Fi/Adventure - Chapters: 7 - Words: 39,938 - Reviews: 25 - Favs: 83 - Follows: 134 - Updated: 2/17 - Published: 9/20/2016
Mass Trek by OrionArion reviews
A TNG era crossover between Star Trek and Mass Effect. Commander Shepard of the Federation starship Normandy has discovered that Saren is attempting to do what Starfleet has feared ever since the discovery of the Prothean Archives on Mars: facilitate the return of the Reapers. Now she has to gather her team to stop him and Sovereign, the vangaurd of our destruction.
Rated: T - English - Chapters: 24 - Words: 59,003 - Reviews: 88 - Favs: 150 - Follows: 193 - Updated: 12/4/2016 - Published: 1/6/2013 - Shepard (F), Garrus V.
Dawnstar by Crillysa reviews
A Federation warship, after a devastating encounter with the Borg, is flung into the Mass Effect universe right smack in the middle of the Reaper invasion. The ship's AI is alone, for her crew is in stasis or dead, forcing her to make decisions that will shape the galaxy for millennia to come. Will she stand by the Prime Directive, or intervene, sword raised high? ME/ST, mid-ME3
Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 6,030 - Reviews: 24 - Favs: 65 - Follows: 104 - Updated: 7/23/2015 - Published: 7/2/2015
Angels Fear to Tread by TheBleachDoctor reviews
Fools rush in where angels fear to tread. In an engagement with the Borg, the Sovereign-class Lady Luck and her two Akira escorts are unceremoniously thrown into the Mass Effect Universe. To get home, the stranded Federation starships will have to make hard choices, and meddle in local events in ways that Starfleet would find... unseemly. Goodbye Prime Directive, hello Reapers!
Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 26,586 - Reviews: 83 - Favs: 153 - Follows: 207 - Updated: 12/25/2014 - Published: 6/6/2013 - Shepard (F), Sovereign
Council Report 1FDS45GSG-A by USSExplorer reviews
Classified STG report requested by the Citadel Council regarding all currently available information and findings regarding the extra-dimensional ship 'USS Vanguard'. Summary document only. A/N: This is a supplementary document to support my story "Vanguard:In at the Deep End" Please do not read until you reach the appropriate point in that story.
Rated: K - English - Sci-Fi - Chapters: 10 - Words: 13,015 - Reviews: 16 - Favs: 30 - Follows: 23 - Published: 9/5/2014 - Complete
Voyages of the USS Normandy by revamped20 reviews
The USS Normandy receives a distress call which leads to first contact with new alien races. Who are these new aliens and what is their objective is to help other or is it to help themselves subjugate others. Will be a female Shepard as a Vulcan/ Liara romance. But the romance will come later on. The new rewrite is up.
Rated: T - English - Adventure/Sci-Fi - Chapters: 3 - Words: 2,269 - Reviews: 11 - Favs: 40 - Follows: 34 - Updated: 2/5/2013 - Published: 11/27/2012 - Liara T'Soni - Complete