Solar System
ChallengeRebirthLocked
Challenge details
- Challenge number
- 6
- Description
- Solar System is challenge #6. Isaac starts with Distant Admiration, Forever alone, Halo of Flies, and Transcendence. Isaac will also be blindfolded. The goal is to defeat Mom's Heart or It Lives!. This challenge is available after unlocking Transcendence.
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.
Solar System is challenge #6. Isaac starts with Distant Admiration, Forever alone, Halo of Flies, and Transcendence. Isaac will also be blindfolded. The goal is to defeat Mom's Heart or It Lives!. This challenge is available after unlocking Transcendence.
- Defeat Mom's Heart or It Lives! (0/3)
What unlocking Solar System leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13