|Undertale AU Wiki|
|Welcome to the biggest encyclopedia on Undertale AUs.
There are currently 539 articles and 10,061 files to the site, you can add more!
Just know that it is REQUIRED for you to read the Rules and Guidelines BEFORE contributing to our Wiki.
This site contains spoilers for Undertale. if you have not completed the game, you may get spoiled.
|About Undertale 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".
|Because there has been an increase in people removing the Cleanup Template, it seems that I must remind you all that the removal of the Cleanup Template WILL result in the deletion of the page. This has been expressed in the past, so consider this your final warning. DO NOT REMOVE THE CLEANUP TEMPLATE!!!|
What is your favorite AU? Remember to read the entire list before voting.