
The Tower
AchievementRepentanceUnlock unknown
Achievement details
- Achievement number
- 540
- Description
- ???
- Requirement
- Defeat Ultra Greedier as Tainted Apollyon
How do you unlock The Tower?
In The Binding of Isaac, The Tower is unlocked by earning the Ultra Greedier completion mark as Tainted Apollyon on hard mode.
Structured pathSource-backed requirements are mapped into trackable steps.
???
How to unlock: Use Red Key (etc.) to open the hidden closet in Home as Apollyon
What unlocking The Tower leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13