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About Mastermind

Crack the secret color code using logic and deduction. Get feedback after each guess to narrow down the solution. A classic brain teaser.

How to Use

  1. 1Select colors for your guess
  2. 2Submit and receive feedback
  3. 3Black peg = correct color and position
  4. 4White peg = correct color, wrong position
  5. 5Crack the code in limited tries

Key Features

  • Three difficulty levels
  • Feedback peg system
  • Color selection
  • Guess history
  • Win/loss tracking

Common Use Cases

Logic puzzlesBrain trainingStrategic thinkingPattern recognition

Privacy First

All processing happens directly in your browser. Your files never leave your device and are never uploaded to any server.

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