Mega Chest
AchievementRepentanceUnlock unknown
Achievement details
- Achievement number
- 601
- Description
- ???
- Requirement
- Defeat Mega Satan as Tainted Isaac
How do you unlock Mega Chest?
In The Binding of Isaac, Mega Chest is unlocked by earning the Mega Satan completion mark as Tainted Isaac.
Structured pathSource-backed requirements are mapped into trackable steps.
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- ??? or The Lamb must be defeated once for the Golden Gate to spawn. source
- Open the Golden Gate by combining Key Piece 1 and Key Piece 2 into the Golden Key, or by using Dad's Key or another gate-opening effect. source
- Reach the starting room of Chest or Dark Room, pass through the Golden Gate, and defeat Mega Satan. source
How to unlock: Use Red Key (etc.) to open the hidden closet in Home as Isaac
What unlocking Mega Chest leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13