D1
AchievementAfterbirth+Unlock unknown
Achievement details
- Achievement number
- 296
- Description
- Unlocked a new item.
- Requirement
- Defeat Ultra Greedier as Isaac
How do you unlock D1?
In The Binding of Isaac, D1 is unlocked by earning the Ultra Greedier completion mark as Isaac (Character) on hard mode.
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
What unlocking D1 leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13