Theme Overhaul AUs are AUs that completely overhaul the general theme or "feel" of Undertale or, in the case of AUs of AUs, the base-AU. This can either be simply aesthetically, such as Outertale, or alter the characters' personalities, such as Underfell. The base plot is kept mostly unaltered.
AUs not yet qualified for pages
- Overtale - September 22, 2015 - Chassdraws
All items (60)
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- Under(her)tail
- Undercooked
- Underfail
- Underfell
- Underfell (Kaitogirl)
- Underfell GG
- Underflub
- Underfoil
- Underforest
- UnderHeat
- UnderLove
- Underpants
- UnderRacer
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- Undertale Rewritten by AI
- Undertale The Musical
- Undertale: PaperStory
- Undertinge
- Undertomb
- UnderWorld
- Unofficial Underfell