
BBF
ItemRebirthUnlocked
familiarGame ID 272★★★★
How do you unlock BBF?
Verified starting unlockSource data confirms that no unlock is required.
Spawns a familiar that flies around the room in a zig-zag pattern and explodes on contact with an enemy. Respawns after ten seconds.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking BBF leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13