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No More Gallifreys
by keita52 reviews
The Eleventh Doctor gets a call from the Illusive Man asking for his help against the Reapers. Having no idea what the crazy man was talking about, he nonetheless decides to investigate. The Reapers are exactly the sort of thing he'd like to stop - but can he work with a soldier like Shepard? (Eleven: between God Complex and Closing Time; F!Shepard: Earthborn/Sole Survivor)
Crossover - Doctor Who & Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 24 - Words: 63,254 - Reviews: 154 - Favs: 224 - Follows: 295 - Updated: 5/30 - Published: 12/14/2013 - 11th Doctor, Shepard (F), Tali'Zorah, Samara
Alpha and Omega Book 2: The Fallen
by Xed Alpha reviews
Having been cast down at the conclusion of his battle with the Leviathans, Shinji Ikari finds himself caught between his new world and an old one that looks suspiciously familiar. And while he may be trapped with only one companion, a certain someone universes away prepares to go to any lengths to see his return. Rated M to be safe
Crossover - Evangelion & Mass Effect - Rated: M - English - Adventure/Romance - Chapters: 14 - Words: 190,933 - Reviews: 534 - Favs: 809 - Follows: 800 - Updated: 5/18 - Published: 1/24/2014 - [Shinji I., Aria T'Loak]
Shinji and the Doctor
by machiavelli reviews
Fourteen-year-old Shinji Ikari finds himself being mentored by the greatest English teacher in the multiverse. The real question is, will the strange man called the Doctor help save the world - or end it? (Cover art by Epsthian-Artist on DeviantArt. Used with permission.)
Crossover - Doctor Who & Evangelion - Rated: T - English - Adventure/Horror - Chapters: 80 - Words: 139,125 - Reviews: 983 - Favs: 857 - Follows: 901 - Updated: 2/9 - Published: 9/8/2011 - 10th Doctor, Shinji I., Misato K., Asuka L. S.
by General Rage reviews
Fleeing from the glassing of Reach in the belly of the Pillar of the Autumn, the crew of the SR-2 Normandy find themselves stranded with their UNSC allies on a strange Forerunner constructed ring world called Halo with the Covenant hunting them. But Halo holds a secret, one deadlier than both the Covenant and Reapers combined... and it's hungry.
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Horror - Chapters: 38 - Words: 890,038 - Reviews: 957 - Favs: 466 - Follows: 463 - Updated: 1/28 - Published: 11/5/2012 - Master Chief/John-117, Shepard (M) - Complete
The Reclamation has already begun (old one)
by Fade Maybe reviews
This story has been moved to Reclamation has already begun V2. Please follow and favorite that one. Not this one! There's too many flaws with the plot. So...yeah. Follow that one. Don't click this one...
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Sci-Fi - Chapters: 18 - Words: 111,502 - Reviews: 427 - Favs: 393 - Follows: 517 - Updated: 1/4 - Published: 3/13/2013
A Thin Veneer
by AlbertG reviews
Captain James T. Kirk Chancellor Gorkon rescues a group of Human refugees from the far side of the galaxy. That simple act of kindness will be the spark a war that ranges across the galaxy and reveal the thinness of the veil that separates civilization fr
TV X-overs - Rated: T - English - Sci-Fi/Adventure - Chapters: 82 - Words: 442,847 - Reviews: 1640 - Favs: 828 - Follows: 686 - Updated: 10/12/2014 - Published: 7/3/2004
by Xeno Major reviews
The Great Wars are over. Jim Raynor and his men have left the Koprulu Sector behind, choosing to settle a world away from that sector of space. Unfortunately, the colony of Shanxi is not safe; hostile aliens have invaded, intent on controlling the Terrans and their bizarre technology. Unfortunately for the Turians, the Terrans have experience fighting hostile alien invaders.
Crossover - StarCraft & Mass Effect - Rated: T - English - Chapters: 7 - Words: 90,510 - Reviews: 497 - Favs: 1,505 - Follows: 1,706 - Updated: 7/1/2014 - Published: 3/24/2013
Mass Effect: Clash of Civilizations
by Eterna1Soldier reviews
In 2157 a Citadel Council exploratory vessel is tasked with opening a dormant Relay into unknown regions of the galaxy. What they find is something they never expected. What happens when two civilizations centered around different technologies clash?
Crossover - Halo & Mass Effect - Rated: T - English - Adventure/Mystery - Chapters: 20 - Words: 91,150 - Reviews: 2942 - Favs: 3,378 - Follows: 3,871 - Updated: 4/10/2014 - Published: 10/13/2011 - Tali'Zorah
Shinji and Warhammer40k
by Charles Bhepin reviews
Shinji Ikari finds a boxful of insanity and becomes even more unhinged than before. Somehow, this is A Good Thing. As the grim dark future melts into stark bleak present, upon a throne of tropes humanity might find the savior it so requires.
Crossover - Evangelion & Warhammer - Rated: T - English - Adventure/Humor - Chapters: 48 - Words: 755,729 - Reviews: 1672 - Favs: 2,503 - Follows: 1,794 - Updated: 4/4/2014 - Published: 11/11/2007
Alpha and Omega
by Xed Alpha reviews
Long after the end came the next beginning. Something lost since time immemorial is about to return and two souls, so different and yet so alike, are set to clash. Rated M due to Violence and Sexual themes.
Crossover - Evangelion & Mass Effect - Rated: M - English - Sci-Fi - Chapters: 26 - Words: 222,719 - Reviews: 605 - Favs: 1,066 - Follows: 766 - Updated: 1/24/2014 - Published: 2/6/2013 - [Shinji I., Aria T'Loak] - Complete
by Eterna1Soldier reviews
An Asari research team is dispatched by the Thessian Council to an unexplored region of space. Their mission? Observe and document the cultural and technological progression of a newly discovered pre-space flight species.
Mass Effect - Rated: T - English - Drama/Tragedy - Chapters: 2 - Words: 7,273 - Reviews: 106 - Favs: 290 - Follows: 383 - Updated: 12/1/2013 - Published: 10/14/2013
XCOM: Second Contact
by Agayek reviews
With the destruction of the Temple Ship humanity knew peace. XCOM never forgot their motto however, 'always vigilant, always reliable'
Crossover - X-Com & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 294,105 - Reviews: 998 - Favs: 1,769 - Follows: 1,842 - Updated: 9/15/2013 - Published: 1/1/2013
by Rap541 reviews
Sequel to Going Native. Its a few years later, lets see what happened
Battlestar Galactica: 2003 - Rated: K+ - English - Chapters: 23 - Words: 52,617 - Reviews: 372 - Favs: 403 - Follows: 503 - Updated: 9/6/2013 - Published: 3/9/2010
The Babylon Effect
by andrewjameswilliams reviews
Mass Effect/Babylon 5 Fusion. When Earth discovered the Prothean cache on Mars it began a sequence of events that will change humanities destiny and the fate of the galaxy forever.
Crossover - Babylon 5 & Mass Effect - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 13 - Words: 89,041 - Reviews: 323 - Favs: 572 - Follows: 594 - Updated: 1/4/2013 - Published: 4/2/2011
The Consequences Of Not Being Polite
by The Sidhe reviews
The Colonials finally encounter their long lost relatives. However, they find out that their cousins are not quite what they had expected. Now AU due to progression in the recent season.
Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 47 - Words: 266,212 - Reviews: 751 - Favs: 1,006 - Follows: 817 - Updated: 12/17/2012 - Published: 10/12/2006 - Complete
When There Was a Tomorrow
by General Rage reviews
Do you remember when there was a tommorow? Commander Wade Shepard does, but with a Reaper threat looming he's not sure there is one anymore. And he's about to discover that his universe may not be the only one where mankind faces extinction. M for B&V
Crossover - Halo & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 25 - Words: 630,925 - Reviews: 542 - Favs: 621 - Follows: 450 - Updated: 7/31/2012 - Published: 4/13/2011 - SPARTAN-B312/Noble Six, Shepard (M) - Complete
Mass Effect New Origins V2
by erttheking reviews
On the dawn of the 27th century, the UNSC discovers a Mass Relay, and unlock its power. What follows not only includes making contact with new species and making new friends, but making new enemies as well, and the entire galaxy will shake.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Romance - Chapters: 109 - Words: 442,687 - Reviews: 2354 - Favs: 1,081 - Follows: 728 - Updated: 6/9/2012 - Published: 10/5/2010 - Shepard (F) - Complete
The Homecoming Saga
by DigitalEccentric reviews
The Human/Covenant War is over, but when two worlds collide a new fight begins. A fight for survival, a fight for acceptance, a fight for truth, and one soldier's fight to lead a lost generation back home. AU HaloxBattlestar Galactica. T rating. Unfinished.
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 11 - Words: 25,934 - Reviews: 132 - Favs: 151 - Follows: 171 - Updated: 5/1/2012 - Published: 11/2/2007 - Master Chief/John-117, Cortana, W. Adama - Complete
by prometheus55 reviews
After the battle with the Collectors, the Normandy tries to return to the Terminus systems. Unfortunately things don't go as planned and now the remnants of the crew must find a way home. However intentions and outcomes are rarely similar for Shepard. -ON HIATUS.
Crossover - Stargate: SG-1 & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 16 - Words: 128,713 - Reviews: 408 - Favs: 716 - Follows: 750 - Updated: 10/23/2011 - Published: 2/19/2010 - Shepard (F)
Forget about Freeman
by Hotpoint reviews
Your hour has come again Corporal Shephard, the wrong man in the right place can make all the difference in the world.
Half-Life - Rated: T - English - Adventure - Chapters: 4 - Words: 16,138 - Reviews: 36 - Favs: 50 - Follows: 48 - Updated: 7/3/2011 - Published: 8/4/2010
XSGCOM: Terra from the Deep
by Hotpoint reviews
Crossover between SG1 and XCOM. As old enemies fall by the wayside new ones appear to challenge the Tau'ri and their allies.
Stargate: SG-1 - Rated: T - English - Adventure - Chapters: 19 - Words: 153,663 - Reviews: 370 - Favs: 517 - Follows: 437 - Updated: 5/3/2011 - Published: 1/3/2010
by Something from outer space reviews
25 years after the battle in Egypt Sam's daughter must carry on his work
Transformers - Rated: K - English - Adventure/Friendship - Chapters: 6 - Words: 6,467 - Reviews: 8 - Favs: 13 - Follows: 11 - Updated: 3/13/2011 - Published: 6/30/2010 - Ratchet
Red In Tooth And Claw
by JA Baker reviews
When the crew of Galactica encounters the remains of the Forward Unto Dawn, life starts to get a lot more complicated for all involved, including an old enemy...
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 60 - Words: 139,295 - Reviews: 1514 - Favs: 975 - Follows: 774 - Updated: 3/13/2011 - Published: 2/12/2008 - [Master Chief/John-117, Cortana] - Complete
Halo 3: Collapse
by an REG Omega reviews
As Earth prepares to make its last stand against the Prophet of Truth, an Unggoy uprising and domestic unrest threaten to tear the fledgling Human-Sangheili alliance apart. Chapter 20, Revelations, is now online.
Halo - Rated: T - English - Sci-Fi/Suspense - Chapters: 22 - Words: 267,035 - Reviews: 210 - Favs: 143 - Follows: 122 - Updated: 11/14/2010 - Published: 12/15/2005
Angering the Storm
by RandomCheeses reviews
A certain System Lord learns why you should not anger SG-1 and the Doctor in the same day.
Crossover - Doctor Who & Stargate: SG-1 - Rated: K+ - English - Adventure/Humor - Chapters: 16 - Words: 38,968 - Reviews: 330 - Favs: 366 - Follows: 248 - Updated: 6/29/2010 - Published: 4/23/2009 - 10th Doctor, J. O'Neill - Complete
by andrewjameswilliams reviews
In the 26th century a group of Tau'ri warships is sent to a newly discovered galaxy, triggering a war that could see the extinction of all life in the universe. B5/Stargate Crossover.
TV X-overs - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 24 - Words: 118,416 - Reviews: 609 - Favs: 606 - Follows: 600 - Updated: 1/27/2010 - Published: 5/14/2006
XSGCOM: Mirror Image
by Hotpoint reviews
Crossover between SG1 and XCOM. As Earth fights against two separate extraterrestrial threats the defenders join forces and the tables are turned.
Crossover - Stargate: SG-1 & X-Com - Rated: T - English - Adventure - Chapters: 52 - Words: 349,026 - Reviews: 662 - Favs: 697 - Follows: 350 - Updated: 12/30/2009 - Published: 7/2/2007 - Complete
A Colonial Sunset
by Xeal II reviews
Memories of Galactica persist long after her journey into the sun, even as the old Colonials and Cylons pass into the next world, leaving their descendants alone on this Earth. This is the story of those lost 150,000 years between then and now.
Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 10 - Words: 16,398 - Reviews: 73 - Favs: 61 - Follows: 63 - Updated: 12/21/2009 - Published: 4/11/2009 - L. Adama/Apollo
The Way Home
by Warringer reviews
A Back Home Dark/Mirror AU. The Doranians have invaded Earth and turned all humans into slaves. A hero must return to free Earth and pacify the galaxy. STEAMLINED REWRITE OF GOING HOME!
TV X-overs - Rated: T - English - Sci-Fi/Adventure - Chapters: 46 - Words: 119,687 - Reviews: 115 - Favs: 73 - Follows: 74 - Updated: 9/20/2009 - Published: 7/22/2008
by Pegasus Knight reviews
Thought you knew the story of Skies of Arcadia? Think again. Enhanced storylines in "Eternal Arcadia" explore a depth to the world and characters that the game did not, making it realistic while remaining loyal to the plot.
Skies of Arcadia - Rated: T - English - Fantasy/Sci-Fi - Chapters: 36 - Words: 341,546 - Reviews: 225 - Favs: 174 - Follows: 86 - Updated: 5/7/2009 - Published: 5/2/2004
by Rap541 reviews
GalacticaStar Trek Next Generation. What do you do when you're a lost Starfleet officer in the Beta Quadrant? You blend in and hope for the best.
Battlestar Galactica: 2003 - Rated: K+ - English - Drama - Chapters: 67 - Words: 156,591 - Reviews: 1314 - Favs: 768 - Follows: 499 - Updated: 3/22/2009 - Published: 2/16/2007 - Gaeta
Daala and the Fleet
by darth rat reviews
My first BSG fic. A crossover from Star Wars to Galactica, as a Imperial Admiral finds herself lost after a hyperspace accident. Please review and tell me if you like it or not. Spoilers up to Razor, and beyond in future chapters.
Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 18 - Words: 51,448 - Reviews: 93 - Favs: 49 - Follows: 67 - Updated: 2/4/2009 - Published: 6/7/2008
by ReddyRedWolf reviews
NBSG/Reimagined Battlestar Galactica x Macross crossover The Colonial Refugee Fleet encounters the 37th Long Range Emigration Fleet Macross 7. Frak! Deculture!
TV X-overs - Rated: K+ - English - Sci-Fi - Chapters: 12 - Words: 46,118 - Reviews: 57 - Favs: 53 - Follows: 60 - Updated: 10/10/2008 - Published: 8/12/2008
Stars on Fire
by karlanemperor reviews
As the Frontier prepares to escape from their nemesis, an unexpected event launches them into a universe in need. Will they be able to save mankind or will mankind perish under the onslaught of the alien menace?
Crossover - Halo & Macross Frontier - Rated: T - English - Sci-Fi - Chapters: 3 - Words: 14,054 - Reviews: 16 - Favs: 54 - Follows: 55 - Updated: 9/15/2008 - Published: 9/13/2008
by imjustaguy reviews
After over two millennia of separation humanity reunites among stars.
Battlestar Galactica: 2003 - Rated: T - English - Adventure/Drama - Chapters: 25 - Words: 58,213 - Reviews: 485 - Favs: 405 - Follows: 352 - Updated: 11/26/2007 - Published: 11/28/2004
Homeworld Bound A SAAB NBSG crossover story Book 1
by JonHarper reviews
After 2yrs of running from the Cylons the Colonials are on the brink. Low on Food, Fuel and Morale they must play one last game of Cat and Mouse against the Cylons. Meanwhile Earth comes face to face against an enemy far more powerful than the Chigs.
TV X-overs - Rated: K - English - Sci-Fi/Adventure - Chapters: 14 - Words: 125,559 - Reviews: 114 - Favs: 149 - Follows: 91 - Updated: 3/17/2007 - Published: 4/15/2005 - Complete
by gohkm reviews
Series based on the popular computer game, from XCom's humble beginnings to its conclusion. All comments and suggestions are welcome and appreciated.
X-Com - Rated: T - English - Adventure/Sci-Fi - Chapters: 20 - Words: 97,952 - Reviews: 50 - Favs: 29 - Follows: 20 - Updated: 3/12/2007 - Published: 3/22/2003
by The Tyrant Hamster reviews
The story of a new, yet ancient, deadly, yet ridiculous threat, not only to the cast of Devil May Cry, but the whole fandom, and the unlikely heroes who fight to thwart it and save us all.
Devil May Cry - Rated: T - English - Humor/Adventure - Chapters: 30 - Words: 112,358 - Reviews: 161 - Favs: 24 - Follows: 7 - Updated: 12/31/2006 - Published: 9/15/2006 - Complete
XCom The First Alien War
Follow the course of The First Alien War, from the POV of the organisation set up to fight it, and what may eventually be the end of humaity as we know it.
X-Com - Rated: T - English - Sci-Fi/Suspense - Chapters: 1 - Words: 4,255 - Published: 1/13/2007