Dead Cat
ItemRebirthUnlocked
passiveGame ID 81★★★★
How do you unlock Dead Cat?
Verified starting unlockSource data confirms that no unlock is required.
Sets Isaac's Red Heart Containers to 1, but grants 9 extra lives. After dying, Isaac respawns with 1 Red Heart Container in the previous room.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Dead Cat leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13