UNDERTALE Fight!

Roblox reports this game as updated about every 54 minutes (12 times in the last 24 hours). That usually means automated changes rather than new versions, so they aren't marked. Latest: 8 Nov, 21:22 UTC.

📌Credit for UNDERTALE and DELTARUNE goes to Toby Fox, Temmie Chang and team, and for Undertale Yellow to Team Undertale Yellow. If you haven't played those games, we recommend you play them first! Fight 100% accurate enemies from UNDERTALE, DELTARUNE and other fan games! • Features 50+ boss and monster fights: Sans, Undyne the Undying, Papyrus, Mettaton, Muffet, Asgore, Jevil, Decibat and more • Get ranked on every fight and climb the leaderboards • Team up with friends in Party mode • Play gamemodes such as Endless, Daily Challenge, and 1v1s • Create custom bosses in the Boss Editor (NEW) • Roll for rare SOUL skins and show them off Join our community for announcements and updates! Mobile, PC, and console supported.