Reapertale Stories

He wakes up in a white place... (Man wakes up as a alternate version of Cross Sans,neat,the cover is mine..Cross Sans is not mine or any Sans you will see besides this a...

Geno is supposed to steal something from the vampire kingdom for ink.. bad idea..

What if someone from our world became error and didn't destroy au's and left that for nightmare and his gang and claims au's? ( different things including personalities

After the Christmas party, Geno thought he'd never get to see Death anymore. Boy was he wrong! After a couple of chilling moments and heartfelt scenes, something happens...

What if someone is reborn as Error? What if they aren't so bad? What if they're suffering in silence and keeping their job a secret for fear of hate? How will Ink react...

When made by his father, the god of death, he didn't know his purpose. All he could do was kill things on accident...he didn't mean to kill them, he just wanted a friend...

Adopted from Firehedgehog. Reapertale Asgore deems Goth to dangerous and throws him into the void... or rather antivoid. Now Goth is Error!Goth and being raised by Error

Reaper knows. He knows that Error is Geno. He also knows that Error doesn't remember him. What they had. Who he was. He wants so desperately to remind him, but Error wou...

I'm going to experiment with this one. I have a better understanding of Geno becoming Error in the fandom and want to toy with it a bit. What if Geno had Goth at the tim...

(DISCLAIMER: THIS IS AN UNDERTALE AU) Allow me to describe this in the simplest way I can. There is a fanfic-like covering, but with a much darker, twisted undertone. S...

Y/N gets isekai'ed to an Undertale multiverse. He becames the embodiment of Manipulation and Control. As he does not want to believe he died before, he becomes someone w...

What if..someone from our world was reborn as fellswap sans? But an accident when he was young leads to becoming blind for a long time and papyrus feels guilty about not...

Y/n was and/or is a very sweet child, unfortunately for them they weren't treated very well by their mother or father, Y/n was abused and didn't have anyone. Fortunately...

Enigma(n.): 1.something hard to understand or explain 2. an inscrutable or mysterious person 3. an obscure speech or writing COVER NOT MINE!!!

Reader insert. What if W.D Gaster didn't just get split between time and space, but actually ended up in your world in an abandoned hospital you called home? Your were a...

[Undertale Au's x F!Reader] Can be found in my Quotev Account --> @.FanboilingTrash | AO3 --> @.FanboilingWriter | Tumblr --> @.bdudette When Blueberry and Str...

In a far far away kingdom, Where magic has been band, and those who used it have been sentenced to death lived a king with two sons. Said king was blinded by his hatred...

Thanks for the votes and comments, love yous! ♡ The reader is the mother/mother figure to a specific Sans AU. This is not romantic nor is it a kink. Most of these onesho...

Long ago, two races ruled the Earth: HUMANS and MONSTERS. One day, war broke out between the two races. After a long battle, the humans... wait no, the monsters were vic...

The Star Sanses were loved by everyone. They protected the Multiverse and its numerous AUs from people like Nightmare and his gang, as well as some secret foes that no o...