20/20
ItemRebirthUnlocked
passiveGame ID 245★★★★
How do you unlock 20/20?
Verified starting unlockSource data confirms that no unlock is required.
Isaac fires two tears at once, one from each eye. [Repentance] 0.8× damage multiplier.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking 20/20 leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13