Undertale AU Wiki

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.

As this is an AU Wiki, this wiki is NOT meant for characters. The Undertale OC Wiki exists for those. This Wiki is also not meant for AUs that do not have presence anywhere else, and those should be put on the Undertale AU Ideas Wiki.

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Undertale AU Wiki
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AUs where the characters of Undertale are replaced by those of a different franchise, such as a show or game (being replaced by a set of OCs also falls under this). If the characters and/or setting of Undertale are placed in a different franchise, Continuity Change - Crossworld should be used instead.

This is NOT meant for crossover stories between AUs.

AUs not yet qualified for pages


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