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Worldwar: Establishing A Balance by
AlbertG reviews
Summary-Book IV: Years ago, the Colonials of Cyrannus met the so-called 13th tribe. It didn't work out well. The Colonials met the Race. That didn't work out well either, but they were introduced to a much larger galaxy. Now their errors have come back and they know they are small fish in a large ocean trying to survive. Can they? Will the Race let them?
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 26 - Words: 174,661 - Reviews: 749 - Favs: 472 - Follows: 586 - Updated: 5/25 - Published: 3/6/2016
Mass Effect: End of Days by
Postmeat reviews
An ancient danger threatens the galaxy, unknown to all. A humanity which never discovered Prothean ruins, expanding through space on their own, emerges. Joined with the machines they created, hardened by war with a terrifying enemy, they read the writing on the wall. But will the galactic community already there listen to these newcomers, stirring up trouble everywhere they go?
Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 19 - Words: 214,419 - Reviews: 635 - Favs: 2,233 - Follows: 2,819 - Updated: 10/26/2018 - Published: 3/8/2015 - Admiral Hackett, Shadow Broker, Shepard (M), Rachni Queen
Back Again, Harry? by
Jedi Buttercup reviews
WIP. Harry makes a different choice in King's Cross and is given the double edged gift of a second chance. Time Travel AU, DH canon.
Harry Potter - Rated: T - English - Drama - Chapters: 20 - Words: 74,412 - Reviews: 3572 - Favs: 8,050 - Follows: 10,779 - Updated: 1/12/2017 - Published: 7/31/2007 - Harry P., Ron W., Hermione G.
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: 21 - Words: 96,812 - Reviews: 3395 - Favs: 5,053 - Follows: 5,934 - Updated: 5/22/2016 - Published: 10/13/2011 - Tali'Zorah
Transcendent Humanity by
Solaris242 reviews
Humanity never developed FTL. The Prothean archives contained no technology, no Element Zero, just a warning. Isolated from the rest of the galaxy for two thousand years, restricted to their only system, how will humanity have changed when they first meet the Turians? AU, alternate history of humanity and First Contact.
Mass Effect - Rated: T - English - Sci-Fi - Chapters: 18 - Words: 40,604 - Reviews: 2082 - Favs: 6,473 - Follows: 7,486 - Updated: 3/1/2016 - Published: 5/7/2013
Mass Effect: A journey through the Eons by
Casje reviews
When a strange device capable of remarkable feats is found in the Martian ruins, the course of humanity's history changes forever. The resulting leaps and bounds in technology leave humanity well prepared to deal with the rest of the galaxy. AU
Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 9 - Words: 41,396 - Reviews: 487 - Favs: 1,584 - Follows: 1,934 - Updated: 8/26/2015 - Published: 11/17/2014
Worldwar: War of Equals by
Drgyen reviews
In 1942, the alien known as the "Race" arrived in Earth's orbit and invaded the planet in the midst of World War II. The events that occurred happened in another universe. But what if fate allow the Race to wait another 70 years to their invasion plan... (As of 2016, story is declared dead fic.)
Worldwar series - Rated: M - English - Sci-Fi - Chapters: 7 - Words: 22,907 - Reviews: 64 - Favs: 223 - Follows: 198 - Updated: 11/21/2012 - Published: 9/8/2012 - Complete