A Guide to Undertale AUsWant to submit an AU? Click here and read this!A Guide to Undertale AUs by farsidejr
Click the titles of categories to see more on the AUs listed below them.
Every single character in Undertale is changed while still remaining in the same basic story in some which way or form. AUs that only affect some of the characters are not found here. AUs that change only during the time Frisk is in the underground are not found in this category.
Basic Change (<-THIS IS A LINK)
The basic theme of Undertale is changed, flipped, or modified. Most of these AUs have their own versions of the characters.
A Child and a God
Altertale (1: Pastelaine)
Bikertale (Light NSFW content)