Brain training · Deduction

Code Breaker

Crack a four-digit secret with exact and misplaced clues.

How to play Code Breaker

  1. The code contains four different digits. Zero may appear first.
  2. Submit four unique digits. Exact means correct digit and position; misplaced means correct digit in a different position.
  3. Crack the code in ten attempts. Invalid guesses do not count.

Play using the controls above. New game starts a fresh round. Best scores are saved on this device when browser storage is available.

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