The Binding of Isaac: Rebirth
637 Achievements
800-800h
Steam
Lost Baby
Unlocked a new co-player baby. Details for this achievement will be revealed once unlocked
39.0%
How to unlock the Lost Baby achievement in The Binding of Isaac: Rebirth - Definitive Guide
sirperson1213
TrueSteamAchievements
TrueSteamAchievements
Defeat Mom's Heart on Hard mode as Isaac
