Crooked Penny

ItemAfterbirth+Locked

activeGame ID 485★★★★

How do you unlock Crooked Penny?

In The Binding of Isaac, Crooked Penny is unlocked by earning the Delirium completion mark as Keeper (Character).

Structured pathSource-backed requirements are mapped into trackable steps.

Has a 50% chance to double all items, Chest, trinkets, and pickups in the room. If the effect fails, spawns a Penny and the other items and pickups disappear.

See the full unlock path for Crooked Penny — 5 steps

Crooked Penny (Achievement)
- Keeper (Character) → Delirium (normal)
  1. Defeat Hush to unlock The Void. source
  2. A Void portal can appear after a major boss; defeating Hush guarantees one. source
  3. Defeat Delirium, the main boss of The Void. source
  - Keeper (Character)

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What unlocking Crooked Penny leads to

Nothing depends on this yet.

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13