791The Roboutian Heresy » by Zahariel Inspired by the great Dornian Heresy of Aurelius Rex, here is an alternate timeline to the Warhammer 40000 universe, where Guilliman turned traitor instead of Horus, and led half the Legions in rebellion against the Emperor. The Index Astartes are done for all Legions. Now, the Times of Ending have begun ...
Warhammer, T, English, Adventure, chapters: 71, words: 894k+, favs: 724, follows: 674, updated: 10/16 published: 7/30/2014, Chaos Space Marines, Space Marines
2k+ Remnant Inferis: DOOM » by GamerJay Remnant never knew what true horror was until demons more terrifying than the Grimm arrived, seeking to conquer a world they think belongs to them. Nor the limits a warrior stripped of his humanity would push himself, and others, to exterminate the Slaves of Doom and their mortal allies. His path of perpetual torment continues and this time he will no longer be walking it alone...
Doom & RWBY, M, English, Sci-Fi & Adventure, chapters: 36, words: 353k+, favs: 3k+, follows: 3k+, updated: 9/27 published: 2/9/2017, Doomguy, Ozpin, Team RWBY, Team JNPR
133Users 2: Glitched » by Starspike7 Ty woke up one morning and didn't read the User Agreement. Now the game that was once his favorite hobby has become his ultimate nightmare. First, Saren tried to merge with him and now the Collectors want to control him. Of everything he knows, one thing is for sure. He must escape... But will he save the day along the way or die and be remembered as a glitch?
Mass Effect, T, English, Humor & Adventure, chapters: 62, words: 189k+, favs: 75, follows: 98, updated: 9/16 published: 8/17/2014, Miranda L., Kasumi G., Shepard, OC
2k+ The Mission Stays the Same » by Broken Trident A joke of Chaos daemon sent two unlikely allies - an Eldar Farseer and an Imperial Storm trooper, through the Warp and into another Universe. In this place, everything is alien to them. Except for one thing - war. War is something they know very well. (Story adopted by Regina Dea. New author starts from Chapter 21)
Warhammer & Mass Effect, M, English, Sci-Fi & Adventure, chapters: 31, words: 354k+, favs: 4k+, follows: 5k+, updated: 9/3 published: 10/4/2011, Eldar, Imperial Guard, Shepard
1k+ Dust in the Wind » by Buried In Ash Alcohol and bad decisions go hand in hand. Courier Six has learned this first hand and knows how bad those decisions can be. What he wasn't expecting was for things to take the turn they did.
Fallout & RWBY, M, English, Adventure & Humor, chapters: 51, words: 470k+, favs: 1k+, follows: 2k+, updated: 8/31 published: 11/27/2017, Courier, Glynda G., Team RWBY
838 The Death Korps of RWBY » by Doomsdayguy12345 Remnant has endured decades of peace since their last war, but how will they react to a boy born from war, who knows only war and has lived his whole life fighting in never ending wars that span their galaxy? Will this boy be a terrifying monstrosity that leaves nothing but death in his wake? Or will someone be able to show the Kriegan that there is more to life than death?
Warhammer & RWBY, M, English, Sci-Fi & Fantasy, chapters: 31, words: 185k+, favs: 1k+, follows: 1k+, updated: 8/13 published: 10/4/2015
83 United Under Two Skies » by Gearman The story of Rex Craster, Courier Six, and commander Jane Shepard as their worlds collide and both of their realities are forever altered. This Fan fic has been running for several years now, and as such starts out rough and (hopefully) gradually getting better. Please enjoy this labor of love, exploration, and experimentation on my part. I hope you come to love Rex and Jane too.
Fallout & Mass Effect, T, English, chapters: 38, words: 235k+, favs: 259, follows: 324, updated: 6/29 published: 7/19/2014, Courier, Veronica S., Jack, Shepard
428Warband of the Forsaken Sons » by Zahariel Horus Lupercal, Warmaster of Chaos, is dead, and the Traitor Legions run from the wrath of the loyalists. Amongst them, Commander Arken of the Sons of Horus gathers on his ship an army from the ranks of all renegade Legions, and begins to plan his vengeance against the Imperium of Man ...
Warhammer, T, English, Sci-Fi & Adventure, chapters: 58, words: 625k+, favs: 373, follows: 358, updated: 6/26 published: 5/25/2014, Chaos Space Marines, Daemons, Space Marines
279 Remnant of the Key » by lyokoMARVELanime Adopted from FandomBard12. Four Keybladers meet four huntresses while on a quest to recover a lost friend. Now, their destinies shall become intertwined as they fight against darkness of both Remnant and beyond. The question is, just what else will come from this meeting between the two?
Kingdom Hearts & RWBY, T, English, Adventure & Drama, chapters: 17, words: 439k+, favs: 272, follows: 290, updated: 6/15 published: 8/15/2019, [Sora, Ruby R.] Roxas, Ventus/Ven
3k+ To Infinity » by creamofwheat2311 After discovering an ancient artifact, the UNSC's most advanced warship and a Sangheili Assault Carrier are transported to a universe unlike anything they have ever seen, and forced into a war against a foe they never could have imagined.
Halo & Mass Effect, T, English, Sci-Fi & Adventure, chapters: 53, words: 473k+, favs: 5k+, follows: 6k+, updated: 3/30 published: 10/9/2013, Master Chief/John-117, Arbiter, T. Lasky, Shepard
2k+ Transcendent Humanity » by Solaris242 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, T, English, Sci-Fi, chapters: 27, words: 79k+, favs: 7k+, follows: 8k+, updated: 2/16 published: 5/7/2013
1k+ The Nobody of Remnant » by RoxaShadow Just as Riku prepares to capture Roxas and return him to Sora, the Nobody escapes to a world he has never seen before, the world of Remnant. There he will encounter the challenges of Remnant's Grimm and the underlying evil threatening to destroy the long established peace brought on by the four kingdoms. Will he finally be able to make a difference? Or will he forever be a Nobody?
Kingdom Hearts & RWBY, T, English, Drama & Adventure, chapters: 45, words: 491k+, favs: 951, follows: 1k+, updated: 2/14 published: 6/19/2017, Roxas, Team RWBY, Team JNPR
287Although He Smiles » by AutumnChild22 She'd counted the 750 steps down from the Temple. She'd said her goodbyes, and left Anakin standing below the great pillars. What more could the Force want from her? 'Everything' sums it up nicely. Waking 13 years in the past, Ahsoka faces a harsh reality. As events begin to unfold, she faces a ticking clock that times a galaxy's end. Plenty of Obi/Ahsoka/Ani/Qui bonding.
Star Wars, T, English, Adventure & Family, chapters: 31, words: 124k+, favs: 503, follows: 691, updated: 1/2 published: 9/15/2012, Anakin Skywalker, Obi-Wan K., Qui-Gon J., Ahsoka T.
246 The Random Hand of Fate » by TheMightyTeaRex "Destiny is not set in stone. It only takes one grain of rice to tip a scale, one pebble falling into the sea to start a tidal wave; Every action, no matter how small has an effect on the future. So, tell me... do you believe in destiny?" Real-world SI. First-time fanfic. Rated M for violence, gore, swearing, smut (later on) and alcohol. Warhammer 40K characters in Remnant.
RWBY & Warhammer, M, English, Friendship & Adventure, chapters: 40, words: 505k+, favs: 544, follows: 686, updated: 12/24/2020 published: 4/8/2017, Space Marines, OC, Team RWBY, Team JNPR
226 Past and Future Collide » by Razial Anakin's future becomes more and more clouded, as some unexpected allies show up during the Clone Wars.
Star Wars & Star Wars: The Clone Wars, T, English, Adventure, chapters: 18, words: 62k+, favs: 635, follows: 653, updated: 12/20/2020 published: 10/26/2010, Revan, Anakin S.
2k+ A World of Bloody Evolution » by RedrumSprinkles As the 41st millennium draws to a close, Yang Xiao Long appears in the Imperium of Man, lost and bereaving the death of her sister. Unending war and horrors the likes of which she's never known await.
Warhammer & RWBY, M, English, Adventure & Romance, chapters: 103, words: 488k+, favs: 1k+, follows: 2k+, updated: 11/28/2020 published: 11/28/2014, Imperial Guard, Inquisition, Yang X.L.
1k+ Death Game? » by Tigersight Sword Art Online, as played by -probably- the most unfortunate players- the ones who missed the tutorial. (Fits entirely within Canon. Short Chapters. -Warning: Reviews contain spoilers-)
Sword Art Online/ソードアート・オンライン, T, English, Adventure & Sci-Fi, chapters: 216, words: 471k+, favs: 583, follows: 589, updated: 5/1/2020 published: 9/10/2012, Kirito/Kazuto K., Asuna/Asuna Y., Argo, Heathcliff/Akihiko K.
743 Land of Heroes » by Harbinger Of Kaos This is my attempt at Halo cross, please respect the fact that i am not entirely familiar with this universe, in which universe Marvel or DC it begins in is entirely up to me and you, so with that said lets begin, there will be strong language and gore.
Marvel & Halo, M, English, Adventure & Sci-Fi, chapters: 17, words: 224k+, favs: 1k+, follows: 1k+, updated: 1/12/2020 published: 12/15/2010, Master Chief/John-117
665 Land of Heroes: DC Style » by Harbinger Of Kaos This is a varient of my Marvel story, Why? Because it was a voice in my head that would not quit, it pretty much JLU from the very begining, Wheter this this lives after some time you shall decide, but i would like to think that i took the first step.
Halo & Justice League, M, English, Adventure & Sci-Fi, chapters: 17, words: 230k+, favs: 1k+, follows: 1k+, updated: 12/25/2019 published: 1/14/2011, Master Chief/John-117
2k+ A Dead World » by Laluzi He had been captured; Alex Mercer knew that much was obvious. But if that was the case, why had his captors just left him there without security? How had he ended up in a bunker buried in some kind of giant desert? Where was everyone? And when the hell did bottlecaps become currency?
Fallout & Prototype, T, English, Adventure & Suspense, chapters: 42, words: 588k+, favs: 3k+, follows: 3k+, updated: 10/3/2019 published: 10/11/2012, Courier, Arcade G., Alex M./Zeus