Assassin's Creed and Prototype Crossovers
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Stalemate by Dark Ice Dragon
[Among Us AU] There was an imposter on the ship.
Rated: T - English - Chapters: 1 - Words: 1,224 - Favs: 5 - Follows: 3 - Published: 4/20 - Desmond M., Alex M./Zeus - Complete
Like a charm by Dokka67 reviews
Set before the events of both AC1 and Prototype1, Desmond has a chance encounter in his bar with a tired but intriguing stranger. After just a bit of chatting and an unexpected thunderstorm, they find that they naturally get along and click together perfectly. Like a charm. Contains smut and just a hint of angst.
Rated: M - English - Romance/Friendship - Chapters: 1 - Words: 5,367 - Reviews: 1 - Favs: 5 - Follows: 6 - Published: 9/2/2020 - Desmond M., Alex M./Zeus - Complete
From Fiction We Came by AlexMercersDayOff
A multi-Crossover where people brought into the real world from fiction must stop those wishing to oppress the truth. Mainly focusing on Prototype, Assassin's Creed, and Resident Evil.
Rated: T - English - Chapters: 1 - Words: 2,066 - Favs: 3 - Follows: 3 - Published: 7/18/2020 - Desmond M., Alex M./Zeus
The Assassin's Virus by TheDeathOfMabe reviews
Pese a los síntomas del efecto sangrado, Desmond Miles presentaba unos nuevos que parecían acabarlo por dentro, con una nueva voz en su cabeza y un nuevo propósito en su vida que se supone le fue arrebatada por salvar a la humanidad. Jamás pensó que un virus…lo rescataría de un trágico final y se convertiría en algo más para él.
Rated: T - Spanish - Horror/Hurt/Comfort - Chapters: 1 - Words: 4,104 - Reviews: 1 - Favs: 1 - Follows: 2 - Published: 4/30/2020 - Desmond M., William M., Alex M./Zeus, Dana M./Athena
A New Manhattan (revised) by Taruyison reviews
Alex Mercer, amnesiac, is trying to find out what happened to him and what he has become since waking up in a morgue. Desmond Miles, suffering from post traumatic stress, needs to get over his fears in order to save the world. Will they find strength in each other, or will they both fall and destroy each other? - Revised and reuploaded as of August 2018
Rated: T - English - Drama/Suspense - Chapters: 25 - Words: 57,069 - Reviews: 8 - Favs: 18 - Follows: 27 - Updated: 8/2/2019 - Published: 9/18/2018 - Desmond M., Rebecca C., Alex M./Zeus, Dana M./Athena
Phoenix Rise (title viable for change) by Devil Might Cry reviews
"Maybe." Desmond answers dismissively, turning his head to the front as he raises his voice over the engine. "Her last name Mercer?" "It is…" Shaun trails off into an interested hum. "That makes for an interesting turn of events." - Desmond lives through the night of December 21, 2012 and the New Year takes him back to Manhattan, where untold horrors are about to occur.
Rated: T - English - Romance/Adventure - Chapters: 1 - Words: 3,817 - Reviews: 1 - Favs: 14 - Follows: 20 - Published: 3/6/2019 - [Desmond M., Alex M./Zeus]
Taking Form in this Tainted Moonlight by TheWritingMustache reviews
Predator noun 1. an animal that naturally preys on others: wolves are major predators of rodents. Alex meets a predator unlike anything he's seen before. Desmond whines about meeting the Blacklight virus. They get over it eventually. [AU] [M]
Rated: M - English - Supernatural/Romance - Chapters: 5 - Words: 11,094 - Reviews: 7 - Favs: 28 - Follows: 30 - Updated: 12/10/2018 - Published: 4/4/2016 - [Desmond M., Alex M./Zeus] Dana M./Athena
Proto-Creed Outlast by Con-Artist643 reviews
Desmond Miles, called in by a Dr. Ragland to expose the treatment of patients of the Asylum run by Abstergo and is met by blood and death. Along the way he accidental frees the worst possible man. Alex Mercer has agreed to help Desmond and keep him alive under the conditions of finding his little sister and getting pay back on the scientists that experimented on him.
Rated: M - English - Romance/Horror - Chapters: 17 - Words: 50,632 - Reviews: 124 - Favs: 124 - Follows: 122 - Updated: 7/3/2018 - Published: 8/15/2014 - [Desmond M., Alex M./Zeus]
A New Manhattan by Aziquesa reviews
Relationships are tested, rules are bent and broken, and lives are put on the line as two worlds collide. While Alex Mercer tries to find out who and what he is, Desmond Miles struggles to muster enough willpower to get back into the Animus. Will they find strength in each other, or will they both fall and destroy each other? [AU, possible upcoming romance, various pairings]
Rated: T - English - Hurt/Comfort/Friendship - Chapters: 7 - Words: 13,479 - Reviews: 1 - Favs: 5 - Follows: 14 - Updated: 3/7/2018 - Published: 9/14/2017 - Desmond M., Rebecca C., Alex M./Zeus, Dana M./Athena
Behind the Glass by LeoArcana reviews
For two and half years, New York City has been plagued by a psychotic cannibal who, for some reason, seemed to be impossible to catch. Now that his kills are getting closer to home, it's time for the 'assassins' to put an end to his rampage. -AU and character death- [HIATUS]
Rated: T - English - Horror/Tragedy - Chapters: 9 - Words: 12,177 - Reviews: 25 - Favs: 26 - Follows: 34 - Updated: 1/14/2018 - Published: 6/22/2012 - Desmond M., Alex M./Zeus
Transformative by Aziquesa
Alex is transgender. - Desmond is a bully. - One day everything changes, but for the better or for the worse? - For Alex it's hell. - For Desmond it's hell. - Is it fear or admiration when Des finds out about Alex's powers?
Rated: K - English - Angst/Romance - Chapters: 1 - Words: 1,666 - Favs: 2 - Follows: 2 - Published: 10/10/2017 - Desmond M., Alex M./Zeus
Most Beautiful Princess by TheWritingMustache reviews
She has the prettiest eyes, the loveliest face, the most neglected of character. She's something else and Desmond falls head over heels for her. He just wants to be at her side and fight off all the threats constantly hanging over her head. He just wants her to feel loved, like she belongs (and rightly so!). She's beautiful to him, a gorgeous princess. [AU]
Rated: M - English - Romance/Friendship - Chapters: 12 - Words: 32,674 - Reviews: 6 - Favs: 17 - Follows: 22 - Updated: 8/6/2017 - Published: 12/12/2014 - [Desmond M., Alex M./Zeus] Lucy S., Dana M./Athena
A New War by OneDayIShallHaveMyDegree reviews
Say that Desmond survived and got transported to Manhattan, where a certain virus lives. Will the Assassin's find him before the Templars? Will Gentek rise from the ashes? Read to find out.
Rated: M - English - Adventure/Romance - Chapters: 20 - Words: 21,410 - Reviews: 26 - Favs: 53 - Follows: 52 - Updated: 4/29/2017 - Published: 4/20/2016 - Desmond M., Alex M./Zeus, Dana M./Athena - Complete
No One Can Help Us (And No One Gets Saved) by TheWritingMustache reviews
Desmond is the prince of an ancient kingdom, pushed into taking the throne by his father, William. Dear old Dad wants him to do some simple things, like get married, and do something beneficial for the kingdom, yadda yadda. So Desmond does just that. But the way he goes about it is a little unorthodox. Mainly by summoning a demon and binding it to him. Said demon is not happy.
Rated: M - English - Supernatural/Horror - Chapters: 4 - Words: 10,274 - Reviews: 2 - Favs: 15 - Follows: 12 - Updated: 3/18/2017 - Published: 4/8/2016 - Desmond M., William M., Alex M./Zeus, Dana M./Athena
A New World by RedAssassin0 reviews
This isn't good, Alex thought as his fingers combed through his hair, this isn't good at all. {A Crossover over AC, Prototype, and CoF (and possible others)} UPDATES: when everything is to my satisfaction
Rated: T - English - Drama/Tragedy - Chapters: 2 - Words: 588 - Reviews: 3 - Favs: 7 - Follows: 6 - Updated: 8/8/2016 - Published: 9/29/2012 - Desmond M., Alex M./Zeus
Curious by Happytiger139 reviews
Let it be remembered that curiosity killed the cat. Desmond Miles, of course, forgot this very important saying. AU, no assassins or templars, and Altair, Ezio and Connor are Desmond's brothers. However, the Blacklight virus still exists.
Rated: T - English - Romance/Horror - Chapters: 1 - Words: 1,319 - Reviews: 17 - Favs: 29 - Follows: 23 - Updated: 8/6/2016 - Published: 3/13/2014 - Desmond M., Alex M./Zeus
Shrug It Off by Honestcannibal reviews
Alex Mercer's not so average, neither is his best friend. But when his friend leaves and Desmond comes along, Alex will either have to breakdown or shrug it off. College AU. Warnings inside.
Rated: M - English - Angst/Hurt/Comfort - Chapters: 8 - Words: 19,176 - Reviews: 5 - Favs: 11 - Follows: 9 - Updated: 5/10/2015 - Published: 10/26/2014 - Desmond M., Alex M./Zeus
Devil's Island by TheWritingMustache reviews
You know that island out in the bay? The one everyone doesn't dare sail their ships near? They say the Devil lives on that island, and he brought all his demons with him for a big party of sin and witchcraft. It seems like every other night, Hades is ferrying men over to that floating hell on water. People go there as men, but their dead bodies come out twisted. [M] [AU]
Rated: M - English - Horror/Sci-Fi - Chapters: 1 - Words: 3,202 - Reviews: 2 - Favs: 8 - Follows: 7 - Published: 2/13/2015 - Desmond M., Clay K./Subject 16, Alex M./Zeus, R. Cross
Protopigs by TheWritingMustache reviews
Blue is the color of love. Blue is the color of your soulmate's eyes when you look into them for the first time. Blue is the color you wish you could see instead of the red of blood on your hands when everything comes crashing down around you and no matter how hard you try, red is all you're gonna see. [Protocreed AU] [M]
Rated: M - English - Romance/Drama - Chapters: 5 - Words: 9,146 - Reviews: 7 - Favs: 31 - Follows: 26 - Updated: 12/27/2014 - Published: 5/15/2014 - [Desmond M., Alex M./Zeus]
Wings by Dark Ice Dragon reviews
Desmond's jump in Brazil didn't go as planned.
Rated: T - English - Chapters: 1 - Words: 2,257 - Reviews: 4 - Favs: 51 - Follows: 21 - Published: 12/3/2014 - Desmond M., Alex M./Zeus - Complete
Glycoproteins by senpaitoldmeno reviews
AU(ish) post first games. Desmond never fancied himself Rapunzel, but he's getting rescued from that white tower by some kind of knight. (Revised 12/4: now with 30% more Bleeding Effect!)
Rated: T - English - Drama - Chapters: 1 - Words: 22,513 - Reviews: 23 - Favs: 184 - Follows: 60 - Published: 11/24/2014 - [Alex M./Zeus, Desmond M.] - Complete
Under one roof by AssassinsCreed101 reviews
The title says it all and all the Assassins even my Oc's are in the same time period under one roof(Prototype is in here as well)
Rated: M - English - Humor/Drama - Chapters: 2 - Words: 2,555 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 11/20/2014 - Published: 11/15/2014 - Desmond M., Ezio A., Alex M./Zeus
In the City of Angels by TheWritingMustache reviews
To say he just appeared in their lives one day is a bit of an understatement, but now that's he in it, they don't intend to get rid of them. Their little couple of two suddenly becomes three, just the way it always should have been. [AU] [M]
Rated: M - English - Romance/Family - Chapters: 3 - Words: 3,198 - Reviews: 4 - Favs: 12 - Follows: 13 - Updated: 11/5/2014 - Published: 8/12/2014 - [Desmond M., Lucy S.] Alex M./Zeus
Common Enemy by MyMagicalBlueSocks reviews
Desmond, under Templar (Abstergo and GENTEK) command, is told to kill Dana Mercer. Too bad no one warned him about Alex Mercer. Alex/Desmond. (Events are after PROTOTYPE, after ACI and sometime during ACII)
Rated: M - English - Romance/Adventure - Chapters: 1 - Words: 7,809 - Reviews: 8 - Favs: 63 - Follows: 73 - Published: 9/30/2014 - [Desmond M., Alex M./Zeus]
Common Enemy (being rewritten) by MyMagicalBlueSocks reviews
Desmond, under Templar Abstergo and GENTEK command, is told to kill Dana Mercer. Too bad no one warned him about Alex Mercer. Alex/Desmond. Events are after PROTOTYPE, after ACI and sometime during ACII ProtoCreed
Rated: M - English - Romance - Chapters: 5 - Words: 14,567 - Reviews: 53 - Favs: 121 - Follows: 134 - Updated: 9/30/2014 - Published: 2/28/2012 - Desmond M., Alex M./Zeus
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