XXXXXXXXL
ChallengeAfterbirthLocked
Challenge details
- Challenge number
- 21
- Description
- Every floor is the size of an XL Womb floor, but does not combine the floors of each chapter.
How do you unlock XXXXXXXXL?
In The Binding of Isaac, XXXXXXXXL is unlocked by unlocking Mom.
Structured pathSource-backed requirements are mapped into trackable steps.
Every floor is the size of an XL Womb floor, but does not combine the floors of each chapter.
What unlocking XXXXXXXXL leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13