
Rules Card
AchievementRebirthUnlock unknown
Achievement details
- Achievement number
- 99
- Description
- Unlocked a new item.
- Requirement
- Complete Glass Cannon (challenge #11)
How do you unlock Rules Card?
In The Binding of Isaac, Rules Card is unlocked by unlocking Glass Cannon (Challenge).
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
See the full unlock path for Rules Card — 9 stepsWhat unlocking Rules Card leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13