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Universal DOOM by
ImpulsiveWeaver reviews
After being cast away by Samuel Hayden, the Doom Slayer winds up on an adventure through multiple universes and meeting those who have their own issues with the denizens of Hell. Crossover between Doom (2016) and any horror/supernatural movies/books/stories that I include. Feel free to request any movie, book, or franchise you want to see. Cover art by JakeBurner on DeviantArt!
Crossover - Doom & X-overs - Rated: M - English - Horror/Supernatural - Chapters: 32 - Words: 178,017 - Reviews: 794 - Favs: 837 - Follows: 874 - Updated: 7/15 - Published: 9/20/2018
Twenty Years Late by
A Very Thirsty Megalomaniac reviews
It's hard for the Ethereals to invade when someone else got there first.
Crossover - X-Com & Half-Life - Rated: T - English - Sci-Fi/Adventure - Chapters: 20 - Words: 103,997 - Reviews: 46 - Favs: 100 - Follows: 109 - Updated: 6/20 - Published: 5/14/2018 - Bradford, A. Shephard, Barney C., The Combine
Schools of Fish in an Ocean of Stars by
AdamZeeper reviews
The Citadel Council have only discovered an estimated 1% of the galaxy. It's only natural that something out there can... surprise them.
Crossover - Mass Effect & Stellaris - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,948 - Reviews: 5 - Favs: 50 - Follows: 64 - Published: 5/3 - OC
The Strangeness of Marty McFly by
who is sabrina reviews
Marty McFly was the weirdest kid a lot of people had ever met. A collection of one-shots exploring the strangeness and memorability of one Marty McFly, seen through the eyes of many different people over many different times. Disclaimer: I don't own BTTF. [Ch 6: Colt Peacemaker Salesman]
Back to the Future - Rated: K+ - English - Humor/Adventure - Chapters: 6 - Words: 12,006 - Reviews: 35 - Favs: 86 - Follows: 63 - Updated: 10/16/2019 - Published: 6/13/2015 - Marty McFly
Vanguard by
metaldragon868 reviews
In an incident with the Vex, the Vanguard of the City are sent back in time to a time before the Golden Age and the Collapse. Seeing an incredible opportunity, they decide that staying is the best choice, and work to prepare humanity for the coming war from the shadows. But in the land of gods and magic, their arrival heralds great change. For they are god-slayers and fatebreakers.
Crossover - Percy Jackson and the Olympians & Destiny - Rated: M - English - Sci-Fi/Adventure - Chapters: 10 - Words: 73,423 - Reviews: 313 - Favs: 836 - Follows: 1,001 - Updated: 9/7/2018 - Published: 12/25/2016 - Athena, Cmdr. Zavala, Cayde-6, Ikora Rey
For the Love of a Memory by
Vindicated Skies reviews
Church refused to perish on the very likely chance that Wash was right. Dr. Halsey wasn't about to let humanity's most advanced AI rot in a lab, and Lord Hood certainly wasn't willing to watch mankind's saviour go into battle without someone watching his back. The Chief just wished they had picked someone else. M for language. Cover art by Pilgrimwanders.
Crossover - Halo & Red vs. Blue - Rated: M - English - Sci-Fi/Humor - Chapters: 8 - Words: 46,625 - Reviews: 291 - Favs: 512 - Follows: 592 - Updated: 7/21/2018 - Published: 10/10/2013 - Master Chief/John-117, C. Halsey, L. Church/Alpha, Wash
Through the Timestream by
Romans-154 reviews
No longer active. Please read 'The Deep Black'.
Crossover - Halo & Destiny - Rated: T - English - Adventure/Sci-Fi - Chapters: 10 - Words: 79,902 - Reviews: 76 - Favs: 142 - Follows: 154 - Updated: 7/27/2016 - Published: 12/28/2014 - Master Chief/John-117, Exo
Consequences of Revelation by
Red Mage 04 reviews
In the wake of the escape from Requiem, Captain Lasky decides that the S-IV's need a little more training, and arranges for an old friend to come on board the Infinity. Little does he realize the far reaching consequences that this will have for himself, his crew, and the rest of the UNSC.
Halo - Rated: T - English - Adventure/Suspense - Chapters: 4 - Words: 53,137 - Reviews: 205 - Favs: 1,081 - Follows: 728 - Updated: 2/7/2014 - Published: 5/12/2013 - Master Chief/John-117, T. Lasky, S. Palmer - Complete
Halo, The Imperial War by
SpaceCowboy2013 reviews
Mankind's first contact is not what it had been expecting, and not with anyone or anything they were expecting. But never the less contact goes poorly for all and sends repercussions further than anyone could have imagined. Halo AU/Star Wars
Crossover - Star Wars & Halo - Rated: T - English - Chapters: 10 - Words: 78,813 - Reviews: 453 - Favs: 598 - Follows: 629 - Updated: 9/6/2013 - Published: 12/2/2012 - Master Chief/John-117
The Burned Man Rises by
powderganger reviews
The Courier has been to Zion and back and after bringing about peace for the people of the valley, has reawoken the Burned Man from his solitude. Graham returns to the Mojave with Follows-Chalk in tow with plans of saving the Mojave from the battle for Hoover Dam, but can he hope to stand in the way of the Bull & the Bear? Please review & tell me what you think!
Fallout - Rated: M - English - Adventure/Drama - Chapters: 12 - Words: 19,741 - Reviews: 23 - Favs: 25 - Follows: 11 - Updated: 7/29/2012 - Published: 7/12/2012 - Joshua Graham, Courier
Do Unto Others by
Halcyon5 reviews
AU. A small group of Jedi flees Coruscant after Sidious's purge, making contact with unexpected allies who may be able to help them regain what was lost.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Fantasy - Chapters: 22 - Words: 171,436 - Reviews: 756 - Favs: 1,071 - Follows: 1,091 - Updated: 4/6/2012 - Published: 4/8/2011 - Anakin Skywalker
Ace Combat 5: The Battle of Sudentor by
Sudentor reviews
When the the Razgriz Squadron flew east to Sudentor in the attempt to stop the SOLG from unleashing its destructive power, they were not alone. These are the stories of men and women, not the Razgriz Demons, who made the end of the war possible.
Ace Combat - Rated: T - English - Adventure/Suspense - Chapters: 2 - Words: 34,618 - Reviews: 9 - Favs: 37 - Follows: 19 - Updated: 10/19/2009 - Published: 1/13/2007
Sort: Category . Published . Updated . Title . Words . Chapters . Reviews . Status .
Pieces of Time reviews
A series of short stories set in the Stellaris universe. May include crossovers.
Stellaris - Rated: T - English - Sci-Fi - Chapters: 2 - Words: 5,056 - Reviews: 1 - Favs: 4 - Follows: 3 - Updated: 6/11 - Published: 4/7
Ace Combat: Sky of Spectres reviews
The Lighthouse War draws to a close, but peace never comes. Chaos rages across the Usean continent. Nations and rising Megacorps skirmish over territory and resources. And all the while, strange creatures of flesh and metal are stirring to life from their underground tombs and taking to the skies for the first time in eons—and their intentions are anything but peaceful…
Crossover - Ace Combat & Crysis - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 2,501 - Reviews: 1 - Favs: 3 - Follows: 5 - Published: 10/26/2019
Psychosis reviews
The Courier falls into the Underground. Fortunately, there are plenty of friends to lead the way.
Crossover - Fallout & Undertale - Rated: T - English - Adventure/Horror - Chapters: 11 - Words: 60,168 - Reviews: 110 - Favs: 171 - Follows: 207 - Updated: 12/13/2018 - Published: 3/21/2017 - Courier, Chara
Against All Tyrants reviews
In their desperation to stamp out the last of humanity's resistance, the ADVENT Coalition turns to unconventional measures to end the war. They just didn't know it was going to be so effective.
Crossover - X-Com & Fallout - Rated: T - English - Sci-Fi/Adventure - Chapters: 4 - Words: 15,307 - Reviews: 9 - Favs: 42 - Follows: 60 - Updated: 1/12/2017 - Published: 1/1/2017 - Courier
The Fateless reviews
A dormant Ordo Xenos complex on a forgotten world is besieged by the forces of Chaos. Desperate to survive, the token force of Guardsmen defenders look to the dangerous artifacts the Inquisition stored to help them, only to find a pristine suit of armor fit for a space marine. Private Vanic gasped. It moved. (Cancelled and awaiting rewrite. Standby.)
Crossover - Warhammer & Destiny - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 69,470 - Reviews: 104 - Favs: 143 - Follows: 172 - Updated: 2/2/2016 - Published: 5/26/2015
The Road Less Traveled reviews
When the zeds were cleaned up during the initial outbreak in London, the world had hoped that it would be a definitive end to the madness that had been contained by a thread. Instead, Horzine Biotech rose to new heights in ways no one could have imagined. If only the New World would not be the ones to suffer the consequences.
Crossover - Fallout & Killing Floor - Rated: T - English - Humor/Horror - Chapters: 1 - Words: 4,083 - Reviews: 3 - Favs: 2 - Follows: 6 - Published: 9/5/2015 - Courier
These Vagabond Shoes reviews
The Courier has done it all. The NCR is an ally, the Legion is gone, and the Mojave is finally establishing itself as a major power. It was all so boring, she just wished that something would change.
Crossover - Fallout & Percy Jackson and the Olympians - Rated: T - English - Adventure/Fantasy - Chapters: 2 - Words: 7,364 - Reviews: 9 - Favs: 47 - Follows: 54 - Updated: 8/2/2015 - Published: 6/20/2015 - Courier