BRAINS!
AchievementAfterbirthUnlock unknown
Achievement details
- Achievement number
- 271
- Description
- Unlocked Challenge #27.
- Requirement
- Defeat Isaac 5 times
How do you unlock BRAINS!?
Source text onlyThe instruction is sourced, but its steps are not mapped yet.
Unlocked Challenge #27.
Verified requirement
Defeat Isaac 5 times
A structured unlock path has not been mapped for this achievement.
What unlocking BRAINS! leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13