Voltra created AU where characters shift roles without changing personalities. Original AU went on hiatus in April 2017. Reboot comic announced in July 2017, cancelled in December 2018. Community ownership claims circulated in 2024, debunked as Voltra's property
Switch Up involves character role swaps between different canon characters. Crossovers replace Undertale characters with characters from other franchises. Basic Change alters fundamental aspects of Undertale or base-AU. Story Overhaul completely changes Undertale's foundation without altering premise. Theme Overhaul alters general atmosphere or character personalities
ZZZ has limited exploration with all combat happening in Hollows. Combat system combines traditional fighting mechanics with character-switching. Game features up to three Bangboo support for Agents. No auto-battling, unlike Genshin Impact and Honkai: Star Rail
Roblox fighting game created by Deez Incorporated. Players choose from Undertale characters and AU characters. Free-for-all combat with constant character switching. Original game discontinued, replaced by AB:A
Character Change option appears after completing Hard difficulty. Dante and Sparda are main playable characters with different abilities. Super Dante grants unlimited Devil Trigger and health regeneration
Player wants to switch to custom characters without killing them. Character switching was attempted in playerscripts but didn't work. Character switching in characterscripts didn't transfer camera control