Undertalemultiverse Stories

#2 of 64k tagged with Undertale 7/04/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling into...

Once upon a star a wish was heard. "I wish I had a brother who would understand me, who would be on my side, who wouldn't betray me" But sadly the multiverse d...

Cold. Everything was cold. And dark. I was so alone... how could I have wanted this? This couldn't possibly be better than before... the warmth, and the light, and the...

Based off of Beauty and the Beast. You are living a quiet life when you are forced to flee into a forest to escape a forced marriage. While running, you stumble across a...

In a dying multiverse, the death of Nightmare and Error unintentionally creates a new entity; Whisper. Born of destruction and negativity, the new god is thrown into ano...

A bunch of story pieces that I lost motivation for, changed the concept of, or that were otherwise sitting in my drafts for much too long. No, they have not been edited...

The following is a collection of various Undertale AU oneshots/short stories. Every chapter contains fluff, angst, ships, and more. While some may have correlation from...

Chaotic babybones Tiny is searching for his twin brother, who he's pretty sure was also thrown somewhere out into the omniverse. He's not going to let anything get in hi...

'Dream' just wanted to be a good brother. Instead, he is thrown far across the omniverse with no home to return to. Wait... who was his brother again? Is he even alive...

The life of a certain strange clump of static and code. [ Start: 1/1/24 ] [Description Edited]

A (male)reader gets reborned as... MY OC?!? ──────────────────── ⋆⋅☆⋅⋆ ───────────────────── There will/might be spelling errors, this book was made for fun. I made thi...

"It thrilled me... Filled me with fantastic terrors never felt before!" Before the events of Nightmare's cataclysmic terror of the 2nd Calamity, what smaller...

It's the roaring 20's! You're alive and well and living great in your little apartment, which is always well kept, clean, and absolutely yours! Rent's cheap and the prot...

Want to hear my crazy stories about my OTP? This is a book filled with it. I present to you my one-shots of Sans x Frisk!

Welcome to my book of UTMV. Here have some cookies before you start. 🍪🍪🍪

Ink finds a mysterious board game and decides that he should invite the AUs' Sanses to play the game. Well Ink is an idiot. Disclaimer I own no character unless I specif...

After being betrayed and thrown into the void by their version of Ink, Dream - now calling themself Ochre - finds themself in a DreamSwap multiverse. Forever tainted by...

(Cover NOT mine!) Welcome to my Multiverse ask book! Here, you can ask a question to any Sans from the list below. Includes: Classic, Swap, Fell, Ink, Error, Nightmare(C...

To escape a timeline ruined by a cruel queen, Sans uses a machine to find somewhere safer for his younger sibling. Unfortunately, the machine can only take one, leaving...

Taking place after DUSTED, weeks pass by after Beelzebub has been defeated, and it seems like everything has now become peaceful, for a very long time it seemed, however...