Guppy's Collar
ItemRebirthUnlocked
passiveGame ID 212★★★★
How do you unlock Guppy's Collar?
Verified starting unlockSource data confirms that no unlock is required.
Grants a permanent 50% chance to respawn with 1/2 of a Red Heart after death.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Guppy's Collar leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13