The Binding of Isaac: Rebirth
637 Achievements
800-800h
Steam
Monstro's Tooth
Unlocked a new item. Details for this achievement will be revealed once unlocked
86.1%
How to unlock the Monstro's Tooth achievement in The Binding of Isaac: Rebirth - Definitive Guide
Worm
TrueSteamAchievements
TrueSteamAchievements
This achievement will pop after beating the Cellar and Basement for the first time.
