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Crooked Penny item
Crooked Penny is an unlockable active item in The Binding of Isaac, added in the Afterbirth+ DLC.
Description
Has a 50% chance to double all items and pickups in the current room.
If the effect fails, removes all items and pickups and spawns a single 
Penny instead.
Can be used to take Shop and Devil Room items for free, if duplicated.
Note
This page shows the latest information as of the new Repentance+ (Online Co-op) DLC.
To see information about this item for the previous Repentance version, check this page instead.
How to unlock?
Defeat Delirium as Keeper.
Item pools
Crooked Penny can be found in the following item pools:
| Name | Weight |
|---|---|
| Treasure Room |
1.0/1.0
|
| Shop |
0.5/1.0
|
| Beggar |
1.0/1.0
|
| Greed Shop |
1.0/1.0
|
Tags
The following tags are applied to this item:
| Id | Description |
|---|---|
| offensive | Can appear for  Tainted Lost. |
Special synergies
The following special synergies and interactions for Crooked Penny have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Book of Virtues | Spawns a coin wisp in the middle ring. The wisps have a 50% chance to duplicate all their copies or destroy all copies when one of them takes damage. Only affects wisps spawned by this item. |
* Note that not all possible synergies and interactions are listed here.
Sounds
The following sounds are related to this item.
External links
- Check out the item description on the external Isaac Wiki.
Clicker 
Mama Mega! 
Wait What? 
Dull Razor 
Potato Peeler 
Metronome