Solar System
AchievementRebirthUnlock unknown
Achievement details
- Achievement number
- 159
- Description
- Unlocked Challenge #6.
- Requirement
- Defeat Mom's Heart 3 times
How do you unlock Solar System?
In The Binding of Isaac, Solar System is unlocked by reaching 3 defeat mom's heart or it lives!.
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked Challenge #6.
- Defeat Mom's Heart or It Lives! (0/3)
What unlocking Solar System leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13