A category for AUs that are part Undertale and part something else!
“"Everythings HAPPY" SixSponges is a mutation between Spongebob and Patrick. They seem to have...Sixbones/Spongetale
“Kalostale is an AU where Pokemon Introduced In Generation VI Take the Roles of the Undertale...Kalostale
“Jothotale is an AU where Pokemon Introduced In Generation II Take the Roles of the Undertale...Jothotale
“Undertale+Rabbids Kingdom Battle is a turn-based tatic AU which takes place after the True...Undertale+Rabbids Kingdom Battle