Binding of Isaac: Rebirth Wiki
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Binding of Isaac: Rebirth Wiki

Flat Penny is a trinket.

Effect[]

  • Gives a chance of spawning a Key upon collecting any coin.
    • Removed in Repentance 50% chance.
    • Added in Repentance The chance is based on the coin's worth:[1]
Coin Chance
Penny 25.00%
Double Penny 43.75%
Nickel 76.27%
Dime 94.37%

Notes[]

  • Added in Afterbirth Flat Penny can drop out of special shopkeepers.

In-game Footage[]


  1. The chance is calculated as 1-0.75(coin_worth)
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