Undertaleocs Stories

What if the six fallen humans who died before Frisk never died and instead joined Frisk on their journey through the Underground? It all seems good... aside from Frisk...

I wasn't supposed to end up in his body. He wasn't supposed to still exist. And yet... here I am, trapped inside Killer!Sans, the infamous skeleton who lost everything...

An UnderTale alternate universe set in the far future after a true pacifist ending. Introduces a completely new cast of characters A whole new underground And a new ev...

The multiverse collapsed, Ink, Error, Dream and Nightmare are missing. A Chara travels to another multiverse in search for answers. ( I'm bad at descriptions) Cover dra...

Cover art by: Shybug×17, Thank you so much love! Welcome to my book of one shots! These one shots will be for my boys, The Outcasts! If you're new, Welcome! The Outca...

If given the chance, would you start over? After falling into a timeline where nobody was murdered, his mother never died, and his father was never erased, Sans should b...

A error in the system, a problem, something that's not suppose to happen. Chara was just like any other Chara(s) in the universe before her, abused and died becaus...

What happens when the Fallen Child is not the one to take their life to pass the barrier? After the death of her brother, Chara, escaping her father's anger, finds herse...

A Story about 2 humans in the Underground, Illys and Lily One with DETERMINATION and one with PATIENCE. ---------------------------------------------------------- Lily...

Cover art by Simon Kito Old Cover art: https://cs4.pikabu.ru/post_img/2016/06/18/11/og_og_1466274415285726881.jpg ...

Art Book Number 3! ...My other art books make me cringe so, this is my third and most recent! This art book has been in the works since December of 2019, and- I myself f...

Kai and Felicia are best friends. But when they're vacationing on Mt. Ebbot, Kai falls down, but is still alive. Everyone thought she was dead, so Felicia decides to loo...

How can you stop an idea?

! WARNING ! Contains : Violence, Suicide attempts, Blood ------ Monsters race once lived peacefully on Earth with the Human race, but due to some circumstances, Humans d...

Something about this night feels... unusual Undertale Awakening is a Super Collab story by @Originalsparkstar with a given plot: "Everyone wakes up as their Undert...

!The Au's, UnderNova, and characters in this book are entirely my own and were made by me. The cover of this book was made by me. And the pictures that I will use in the...

All you wanted was a simple job to do over the summer. Was it really that hard to ask for? Apparently so, because now, you have to care for six or more skeletons who a...

Emily is a normal girl aged 16, and is addicted to Undertale. It's her favorite thing in the world (together with chocolate milk)! One day, she even dreams about Underta...

What will happen when a skeleton's long time YouTuber crush moves next door to him and his brother? Read to find out!