Undertale Alternate Universe (AUs) are what-if changes to the universe of Undertale. AU categories are used to differentiate AUs and to avoid confusion between AUs (categories are not AUs...

Undertale Alternate Universes, or "AUs", are alterations to the story, world, and/or characters of Undertale, be it crossovers, changes in aesthetic, or role-swaps. "AU" is an umbrella term that includes "ATs".

Welcome to the Undertale AU Wiki, the main place for documenting Undertale's AUs. If you wish to contribute, just know that it is REQUIRED for you to read the Rules and Guidelines and the Policy of the Wiki BEFORE doing so.

Alternate Universes, or "AUs", are alterations to the story, world, and or characters of Undertale, be it crossovers, changes in aesthetic, or role-swaps. The objective of this wiki is to record, document, and feature each AU's contents and ideas, as well as give credit to the AUs and their original creators.

Made a list of all the AU’s I could think of. Used to help me when I have no ideas, decided it could help others and I should post it.…

AUs made by large parts of the community as a whole, instead of by just one person. These are not collab AUs. Crossovers with many different variants show up here as well.

Need something to fill the void after finishing Undertale? This is the place to find all the AU fanfiction and other such fanworks you will ever need.

- Undertale is a role-playing game made by Toby Fox that is often complimented in its good story line, quirky characters, and amazing soundtrack. - One of the more popular AUs. - Underswap is basically were all the characters are swapped with another character, normally (but not always!) one that they have a close relationship to. - Swaps:

r/UndertaleAUs: Need something to fill the void after finishing Undertale? This is the place to find all the AU fanfiction and other such fanworks…

2013年11月17日 · A list of possible AU’s combined for your writing/roleplay/artistry convenience. Please note that they are not restricted and there are still many possibilities outside the ones listed. They’re all in alphabetical order for ease of search! General-themed AU’s (if your characters are dead in canon but alive in AU, all aboard the feels ...