About UndertaleMultiverse.site
Dedicated fan-made Undertale AU fighting companion for the Roblox community.
Our Mission
undertalemultiversesimulator.site was built by passionate Undertale AU fighting game fans to provide accurate movesets, character tier rankings, active promo codes, and Phase evolution calculators for players worldwide.
Disclaimer
undertalemultiversesimulator.site is an independent fan-made companion website and is not affiliated with, endorsed by, or sponsored by Toby Fox, Undertale, or Roblox Corporation. All character trademarks and in-game assets belong to their respective creators.