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How to Play the "4 Numbers" Game

Game Rules

  1. Enter any four-digit number from 0000 to 9999 and submit it.
  2. Each digit receives a color hint after the check:
    • Green: correct digit in the correct position.
    • Yellow: correct digit in a wrong position.
    • Gray: digit is not used in the secret number.
  3. Use hints to find the exact code in the minimum number of attempts.

Hint Badges

Double

The secret has one pair of equal digits.

Examples: 1228, 4407, 9391

Set

The secret has three equal digits.

Examples: 7772, 3033, 1119

Quad

All four digits are identical.

Examples: 0000, 1111, 9999

Winning Strategy

FAQ

Are leading zeros allowed?

Yes. Numbers like 0073 and 0900 are valid.