A Dollar
ItemRebirthUnlocked
passiveGame ID 18★★★★
How do you unlock A Dollar?
Verified starting unlockSource data confirms that no unlock is required.
Gives Isaac 100 Penny.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking A Dollar leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13