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by Piloter reviews
What happens when World War 2 goes Cold and out to space? You wind up some decades later with the Post-Terran Mining Corporation and their economic stranglehold on solar system commerce...and a sudden problem with all their facilities being under unknown control. Enter one grizzled mercenary of a Material Defender to try and unravel it all. Descent 1/2 in pre-First Contact Trek.
Crossover - StarTrek: Other & Game X-overs - Rated: T - English - Sci-Fi/Adventure - Chapters: 43 - Words: 191,553 - Reviews: 3 - Favs: 2 - Follows: 2 - Updated: 4h - Published: 4/26/2010
Harry's Star Adventure
by tcbnv reviews
AU. After losing Sirius at the MOM. he finds out that all is not what it seems. so he makes a life changing choice. what will the Boy who lived make of this in the Star Trek Universe. (rating reflecs on future chapters.) I donot own anything except my mind.
Crossover - StarTrek: Other & Harry Potter - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 1,328 - Reviews: 2 - Favs: 10 - Follows: 14 - Updated: 7/24 - Published: 5/13
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
Crossover - StarTrek: Other & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 6,030 - Reviews: 20 - Favs: 39 - Follows: 63 - Updated: 7/23 - Published: 7/2
Before the end
by Lord Jeremy Silver
"We are the Borg. Stand down your shields and surrender your vessels. We shall add your biological and technological distinctiveness to our own. Your culture will adapt to service us. You will be assimilated. Resistance is futile."
Crossover - StarTrek: The Next Generation & StarTrek: Other - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 1,258 - Published: 7/16 - J. Picard - Complete
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.
Crossover - StarTrek: Other & Mass Effect - Rated: T - English - Chapters: 22 - Words: 47,333 - Reviews: 72 - Favs: 107 - Follows: 128 - Updated: 7/9 - Published: 1/6/2013 - Shepard (F), Garrus V.
by nycz reviews
Aurora Rose is a young, freshly promoted starship captain that can't take her eyes off her far too attractive half Vulcan, half human first officer, Amalia "Maleficent" Moors. Star Trek AU, but can most likely be read without any prior knowledge of Star Trek.
Crossover - StarTrek: Other & Maleficent - Rated: T - English - Romance/Sci-Fi - Chapters: 10 - Words: 29,218 - Reviews: 12 - Favs: 13 - Follows: 26 - Updated: 7/5 - Published: 7/18/2014 - [Aurora, Maleficent]
One Last Hope
by Xodarap reviews
When a demonic plot in the past changes the future, there's only one Federation timeship that remains unaffected. Alone against an army of starship-sized demons, the ship uses its time machine to retrieve a hero from the past to save the future. The galaxy's one last hope, is Xander Harris. But first, he's going to need some…upgrades.
Crossover - Buffy: The Vampire Slayer & StarTrek: Other - Rated: T - English - Sci-Fi/Adventure - Chapters: 2 - Words: 8,439 - Reviews: 5 - Favs: 44 - Follows: 54 - Published: 6/15 - Xander H.
Rift Runners Revenge
The second novel of the Sands of Time Series Based on Star Trek but set mainly on Ravnica, then a. Bertram Chandler's Rim Worlds. Other realities do intrude from time to time...
Crossover - StarTrek: Other & X-overs - Rated: T - English - Sci-Fi/Fantasy - Chapters: 15 - Words: 69,250 - Favs: 3 - Follows: 3 - Updated: 6/13 - Published: 8/18/2010
Let's play murder
Everyone has a dirty little secret they don't want anyone to find out. For Mycroft and Sherlock Holmes it just happens to be a crazy pyschopath of a brother who is determined to destroy everything they hold dear, beginning with the attempted murder of someone close to them. Crossover featuring Lester Nygaard and Khan.
Crossover - StarTrek: Other & Sherlock - Rated: T - English - Chapters: 6 - Words: 17,824 - Follows: 1 - Updated: 6/10 - Published: 11/4/2014 - John W., Mycroft H., Sherlock H. - Complete
by Carlos Abraham Duarte
Um ousado jovem cientista da Federação em busca dos segredos do Universo encontra a garota dos seus sonhos... Uma solitária garota-loba imortal, deusa e rainha de um mundo desaparecido, encontra uma rara alma gêmea... E um supervilão do passado da Terra é o maior obstáculo entre os dois... Em jogo, o futuro da Galáxia.
Crossover - StarTrek: Other & Spice and Wolf - Rated: T - Portuguese - Sci-Fi/Romance - Chapters: 4 - Words: 34,843 - Updated: 6/3 - Published: 7/17/2014 - Holo
Baal the Time Traveler
Before the birth of Goku, a powerful Saiyan named Baal was born. Over the course of his life, he will come across time and space as he fights to maintain peace and order through the multi-verse with the help of unlikely allies and new Saiyans as he travels through time and space. What Baal finds along his journey could be anyones guess.
Crossover - StarTrek: Other & Dragon Ball Z - Rated: T - English - Adventure/Sci-Fi - Chapters: 6 - Words: 10,115 - Updated: 4/30 - Published: 3/23
To Boldly go Where no Ma-er, Ship has Gone Before
by Too Tired for This reviews
The starship Enterprise. Explorer, adventurer, pioneer. Transformed moments before her fiery demise and dropped onto a brave new world. And now she has hands. And feet, and legs, and a body in general, but don't forget about the hands. Fascinating.
Crossover - StarTrek: Other & Kantai Collection - Rated: T - English - Chapters: 2 - Words: 7,813 - Reviews: 22 - Favs: 33 - Follows: 41 - Updated: 4/28 - Published: 4/20
You Can't Go Home Again
by aceman67 reviews
(HiE) Lt. James Scott was enjoying his shore leave after a long, boring six month tour aboard the USS Juno Beach near the Tzenkethi Demilitarized Zone. A mishap with a dark-matter fragment would put a swift end to that...
Crossover - StarTrek: Other & My Little Pony - Rated: T - English - Sci-Fi/Mystery - Chapters: 7 - Words: 15,617 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 4/26 - Published: 4/15 - Twilight Sparkle, Fluttershy, The Cutie Mark Crusaders
The Voyage Home
by Kinsfire reviews
The battle at the Ministry ended differently for Harry. When he came out of the fog of Time Turner dust, he found himself over 300 years in the future. Now he needs to find his home again.
Crossover - StarTrek: Other & Harry Potter - Rated: T - English - Romance - Chapters: 18 - Words: 56,505 - Reviews: 218 - Favs: 483 - Follows: 538 - Updated: 3/16 - Published: 6/6/2014 - Harry P., Hermione G. - Complete
alternate abilities reveal
this is another way something could have been revealed in an upcoming story. profile explains how i choose to rate things
Crossover - Star Wars & StarTrek: Other - Rated: T - English - Chapters: 1 - Words: 892 - Favs: 1 - Follows: 1 - Published: 3/16 - Complete
this is a deleted scene from a story that will come eventually
Crossover - Star Wars & StarTrek: Other - Rated: K - English - Chapters: 1 - Words: 528 - Favs: 1 - Follows: 1 - Published: 3/15 - Complete
Shielded Under the Raptor's Wings
by lord Martiya reviews
During the Earth-Minbari War the heavy cruiser Medea stumbled on an unexpected and improbable help, someone that the Minbari took care of provoking in an act they would rue.
Crossover - Babylon 5 & StarTrek: Other - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 42,671 - Reviews: 30 - Favs: 57 - Follows: 66 - Updated: 3/15 - Published: 9/10/2012
Jedi trained Star Fleet operative Kaspian Moonstone is deliberately captured by the Predators. He must now enter their arena and win his freedom by fighting two predators without his light saber.
Crossover - StarTrek: The Next Generation & StarTrek: Other - Rated: K+ - English - Chapters: 1 - Words: 3,366 - Published: 3/7
Rogue Trader's Enterprise
by JanTanner reviews
The game between Q and Tzeentch has begun. Their capricious whims now dictate the lives and fates of whoever their eyes fall upon. Lord captain Darrius doesn't care for the fickle whims of gods and powerful beings. His world shattered and his ship removed from the universe he knows he doesn't see a cruel twist of fate. Only new opportunities for profit.
Crossover - StarTrek: Other & Warhammer - Rated: T - English - Sci-Fi/Adventure - Chapters: 24 - Words: 104,236 - Reviews: 70 - Favs: 68 - Follows: 91 - Updated: 2/12 - Published: 3/23/2013 - Rogue Traders
A New Journey
by PanchoPistolas reviews
Daniel Jackson discovers that the Alterans didn't just seed life in Pegasus after leaving the Milky Way Galaxy, but re-created a whole new Earth in the Andromeda Galaxy. Eventual massive cross over SG1, Star Trek and Battlestar Galactica, first attempt at writing...
Crossover - Stargate: SG-1 & StarTrek: Other - Rated: T - English - Adventure - Chapters: 4 - Words: 19,135 - Reviews: 41 - Favs: 87 - Follows: 121 - Updated: 1/26 - Published: 10/18/2014
Star Trek: Daria 2: Resurrection
by echopapa reviews
Daria recounts her revival and her experiences in the 24th century to a Federation News Service reporter. A sequel to Star Trek: Daria - Memory Lane.
Crossover - StarTrek: Other & Daria - Rated: K+ - English - Sci-Fi/Angst - Chapters: 17 - Words: 25,091 - Reviews: 29 - Favs: 11 - Follows: 15 - Updated: 1/7 - Published: 4/24/2012 - Daria M. - Complete
by Thomas0399 reviews
"Every so often, universes may fracture and splinters from each may end up touching, combining and synthesising the history and the residents of these universes. These synthesis universe are what we need to look out for." A huge crossover, initially containing Person of Interest, Star Trek, NCIS and 24 but will grow to encompass many, many more shows, comics and fandoms.
Crossover - StarTrek: Other & Person of Interest - Rated: T - English - Sci-Fi/Crime - Chapters: 1 - Words: 392 - Reviews: 1 - Favs: 1 - Follows: 2 - Published: 1/6
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!
Crossover - StarTrek: Other & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 8 - Words: 26,586 - Reviews: 82 - Favs: 134 - Follows: 189 - Updated: 12/25/2014 - Published: 6/6/2013 - Shepard (F), Sovereign
Extermination212 | Page 1 2 3 4 .. Last Next »
by T. R. Myers reviews
The Daleks conquer the Borg and advance towards Earth. Began as a death match; Daleks versus Borg and mutated into this story.
Crossover - Doctor Who & StarTrek: Other - Rated: K - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 2,880 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 12/16/2014 - Daleks