
Multidimensional Baby
ItemAfterbirthUnlocked
familiarGame ID 431★★★★
How do you unlock Multidimensional Baby?
Verified starting unlockSource data confirms that no unlock is required.
Spawns a familiar that will follow Isaac's movements on a 2.5-second delay. Tears that pass through the baby will be doubled and increase in speed.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Multidimensional Baby leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13