Undertalemultiverse Stories

Reincarnated as Killer Sans but a bit different. First getting reborn and then thrown into a trap AU. Too bed the MC is a genius. (Pun intantional) How that works while...

#1 of 61.7k tagged with Undertale 12/06/24 After drowning as a human, Ashe reawakens as a DustTale variant of Sans. With his ghost Papy helping keep him from falling int...

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...

Harbinger, a Reaper-variant from a war torn fgod mutliverse, tries to finally find peace after being thrown into a new multiverse where the higher entities do not exist.

An alternate take on the undertale multiverse

#3 out of 8k stories tagged as Ink (>.<) Omen was created as the Guardian of Hope and, indirectly, healing. If anybody can help the balancers of this multiverse, i...

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!

undertale au stuff cover art is made by me More information and chapters soon(Credits too) Undertale by Toby Fox Error Sans by CrayonQueen Ink Sans by Comyet. Epic! Sans...

In an unfinished universe, the only being, Code Gaster, wishes to create a happy universe for himself, but some things do not go as planned.

What does the Lord of Negativity do when he finds out there are Alternate Universes? He collects minions of course! Read through to find how nightmare selected his stron...

"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...

Being reborn sucks. I'm now the oldest sibling of Sans Au ship children. I'm the Daughter of Dream, Error, Nightmare, and Ink. So I have a mix of all their powers. Great...

It's a story about one of my favorite sanses Blueberror! This is also my first story soooo yay? No romance just family bonds Also FGod Currently being rewritten

Unbound and unforgotten, lies the Undertale Multiverse, forever in conflict. Follow the story of OAR!Dust as he tries to make amends and saved the multiverse from an unk...

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...

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...

The bad sanses were kidnapped, except for a now very weak Nightmare. Blue and Leo were also kidnapped by...some yellow chicken? I guess alternate multiverses are a thing...

Just a bunch of undertale multiverse story ideas that anyone can adopt. If you do decide to use these ideas, please let me know as I would love to read them!!