Cube Baby
ItemRepentanceUnlocked
familiarGame ID 652★★★★
How do you unlock Cube Baby?
Verified starting unlockSource data confirms that no unlock is required.
Spawns an ice cube familiar that slides around when walked into. It slows and deals contact damage, freezing monsters it kills.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Cube Baby leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13