Mama's Boy
AchievementRebirthUnlock unknown
Achievement details
- Achievement number
- 40
- Description
- Beat womb without taking damage.
- Requirement
- Beat Chapter 4 without taking damage
How do you unlock Mama's Boy?
Source text onlyThe instruction is sourced, but its steps are not mapped yet.
Beat womb without taking damage.
Verified requirement
Beat Chapter 4 without taking damage
A structured unlock path has not been mapped for this achievement.
What unlocking Mama's Boy leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13