Flat File
TrinketRepentanceUnlocked
How do you unlock Flat File?
Verified starting unlockSource data confirms that no unlock is required.
Causes most spikes to retract, making them harmless. This includes the door to Curse Rooms, Spiked Chests, Poky and their variants.
Available from the start
No unlock needed — this is available in every new save file.
What unlocking Flat File leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13