Undertalemultiverse Stories

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

(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...

#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...

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 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...

#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...

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...

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...

"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...

Lol this came to be cause of a comment in my reincarnation as ink sans story. So I'm doing it. I don't know much about ink papyrus but meh, this is fan fiction so what h...

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...

The story starts after the end of ask error and follows one of the infinite error sanses

Journal of an insignificant and forgotten being. [ Start: 1/1/24 ]

This is a FGOC and FGOD story with several ships. I'm going to list the ships I currently have planned so you can click off if you don't like. This is my AU, I created w...

So I got into Rewrite sonic and said "Hey, I don't think anyone made a rewrite sans so why don't I?" and here we are, I'll still update other stories I've star...

I wanted to make an Undertale au. My au is in the fgod of destruction multiverse and bad sans gang family au too. sorry if it's bad. If you want to use my au please ask...

A story about a being who longed its existence outside space and time, coming back and wreaking havoc among the mortal realm.

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...

Yeah I gained an idea and stuff so things will be different even personalities and everything you can think of :)

t's been 494 years since Nightmare turned Dream into stone. Nightmare wakes up in the middle of the night to a sudden surge in positivity, realizing who it likely is, he...