Welcome to Underfell, an alternate universe of Undertale where the various monsters in the underground are vicious, where the law Kill or be Killed was firmly established. Never has the monster race been so divided before, gangs, mobs, a once united kingdom has now fallen and erupted into pure chaos. Can you survive the horrors of the underground?
AdventureIndiePuzzleRPGTurn-based strategyFantasyHorror
Trailer and screenshots
Reviews
Nobody has published a review of this game yet.
Your save
Where to play
There’s no “game over” here.
© 2026 GitThreeLab · Game data: IGDB.com