Sack of Sacks
AchievementAfterbirth+Unlock unknown
Achievement details
- Achievement number
- 298
- Description
- Unlocked a new item.
- Requirement
- Defeat Ultra Greedier as Cain
How do you unlock Sack of Sacks?
In The Binding of Isaac, Sack of Sacks is unlocked by earning the Ultra Greedier completion mark as Cain (Character) on hard mode.
Structured pathSource-backed requirements are mapped into trackable steps.
Unlocked a new item.
How to unlock: Hold 55 Coins at one time
What unlocking Sack of Sacks leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13