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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: 26 - Words: 75,168 - Reviews: 2702 - Favs: 7,235 - Follows: 8,197 - Updated: 3/21 - Published: 5/7/2013
Biomass Effect by
Beastrider9 reviews
All life on Earth had been consumed by Blacklight. With no Biomass to feed on, Blacklight had to evolve, adapt, and grow. Now a collective Council of Aliens discovers the existence of such a life form. How do the aliens see a form of life that is viral, how they deal with it, what are the consequences to the galaxy of such a race existing at all.
Crossover - Mass Effect & Prototype - Rated: M - English - Sci-Fi - Chapters: 62 - Words: 333,072 - Reviews: 2727 - Favs: 3,864 - Follows: 4,292 - Updated: 3/3 - Published: 8/8/2014
Mythos Effect by
Omniscent1 reviews
A crossover between Mass Effect and Cthulhutech. Humanity has won the Aeon War and has since expanded and thrived. How will the galaxy fare with this new power?
Crossover - Cthulhu Mythos & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 20 - Words: 137,151 - Reviews: 1227 - Favs: 3,405 - Follows: 3,921 - Updated: 2/8 - Published: 6/5/2013 - Saren A., Shepard
Machines Don't Bleed by
ChaosandMayhem reviews
Gray Mann has made his endgame move. As rivals edge towards nuclear war and the doomsday clock ticks towards midnight, a motley band of mercenaries are the only ones brave enough (or stupid enough) to try and stop the end of civilization as they know it. The finale of Eight Mercenaries and A Toddler and I'll Be Home For the Holidays
Team Fortress 2 - Rated: T - English - Friendship/Drama - Chapters: 38 - Words: 242,206 - Reviews: 507 - Favs: 271 - Follows: 256 - Updated: 1/18/2017 - Published: 12/2/2013 - Engineer, Sniper, Spy, Gray Mann - Complete
Malefactors by
Houndeye reviews
The story of three people, one who was human, one who is, and one who might as well not be. The battle for the Borealis leaves behind two stragglers who must work together to survive. This is a work in progress and my first fic. Big thanks to everyone who has faved, followed or reviewed this so far!
Half-Life - Rated: T - English - Suspense/Sci-Fi - Chapters: 19 - Words: 13,034 - Reviews: 24 - Favs: 15 - Follows: 17 - Updated: 12/20/2014 - Published: 6/23/2013 - Alyx V., Gordon F.
You Need to Get A Head by
Sanctus Cecidit reviews
A bureaucratic error results in Medic having the most ridiculously awful week of his entire existence, and making a terrible, life-altering discovery. Will he survive? Will he remain sane after gaining this new, dreadful knowledge? The answer to the second question is easy, of course: whoever said he was sane to begin with?
Team Fortress 2 - Rated: T - English - Humor/Suspense - Chapters: 16 - Words: 47,202 - Reviews: 125 - Favs: 134 - Follows: 68 - Updated: 4/8/2014 - Published: 2/12/2014 - Medic - Complete
Semper Furor by
Kat-2V reviews
With only a few years removed from the great battle, a new generation of Na'vi has arisen, led by the son of Toruk'makto Jake Sully, and they are eager to finish the battle their parents began. While divisions begin to appear amidst the Na'vi, the humans of Tartarus remain wary for any sign of aggression, and are more than ready to make the first strike, should it be called for...
Avatar - Rated: T - English - Sci-Fi - Chapters: 23 - Words: 118,793 - Reviews: 529 - Favs: 325 - Follows: 242 - Updated: 12/20/2013 - Published: 12/1/2010 - Jake S., Parker S., Max P., Eywa - Complete
Metal Gear Effect by
Silvan Sagevale reviews
With Humanity free from the Patriots and the Proxy Wars ended, humanity continues to advance, and in 2157, they discover they are not alone. Sucky Summary. Cover Image provided by Gabylan121 from Deviantart.
Mass Effect - Rated: M - English - Sci-Fi/Romance - Chapters: 5 - Words: 24,902 - Reviews: 52 - Favs: 135 - Follows: 155 - Updated: 11/28/2013 - Published: 9/3/2013 - Tali'Zorah, Shepard
I'll Be Home for the Holidays by
ChaosandMayhem reviews
Lawrence Mundy Jr. hates the holiday season. And he especially hates when the holiday season forces him to deal with his overbearing parents, his abrasive brother-in-law, an oddly jittery Spy, and the mysterious going-ons of a factory in the distance...the sequel to Eight Mercenaries and A Toddler. Cover image by tomiyeee!
Team Fortress 2 - Rated: T - English - Family/Friendship - Chapters: 25 - Words: 108,667 - Reviews: 694 - Favs: 341 - Follows: 189 - Updated: 7/29/2013 - Published: 10/13/2012 - Medic, Sniper, Spy - Complete
A City Upon A Hill by
prometheus55 reviews
They say a single choice can change the course of history. I'm not sure if that is true but I think it can certainly influence it. When I stood at the core of Panchaea all those years ago I had no idea what would come about as a consequence of my actions. So perhaps I did change history. But at the time all I did was what I thought was right. - Adam Jensen, 2078
Crossover - Deus Ex & Mass Effect - Rated: M - English - Sci-Fi/Adventure - Chapters: 5 - Words: 63,836 - Reviews: 314 - Favs: 993 - Follows: 1,006 - Updated: 3/11/2013 - Published: 10/27/2012
Semper Victoria by
Kat-2V reviews
Humanity is on the brink of self-destruction, and unobtanium may be only hope for our species. While humanity begins their return, they find only a few surviving scientists between them and an increasingly active Eywa, and the promise of a war that would alter the fate of all. A story where Pandora is not an Eden, where desperate battles will determine who lives... and who dies.
Avatar - Rated: T - English - Sci-Fi - Chapters: 49 - Words: 134,234 - Reviews: 347 - Favs: 428 - Follows: 190 - Updated: 11/30/2010 - Published: 10/5/2010 - Parker S., Norm S., Max P., Eywa - Complete
Children of Gaia by
Lord of the Saiyans reviews
Eywa gave life to the Na'vi, Earth gave life to the humans. What if Earth was not dead and hollow? What if Earth never has been? What if Gaia supported humanity the same way Eywa supported the Na'vi?
Avatar - Rated: K+ - English - Chapters: 1 - Words: 2,893 - Reviews: 60 - Favs: 312 - Follows: 119 - Published: 6/13/2010 - Complete
Dark Skies reviews
Book 1 of 3. As ancient powers and enigmatic figures make their move, the stars will darken and the heavens will tremble as a scarred and battered humanity still reeling from the Combine occupation encounters the rest of the civilized galaxy.
Crossover - Half-Life & Mass Effect - Rated: T - English - Chapters: 10 - Words: 46,220 - Reviews: 359 - Favs: 536 - Follows: 640 - Updated: 5/15/2015 - Published: 2/22/2014