Sudoku

Fill the 9×9 grid so every row, column, and 3×3 box contains digits 1–9. Solve it fast to top the leaderboard!

🏆 Leaderboard

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How to Play

  • Click a cell to select it
  • Press 1–9 to fill in a number
  • Delete / Backspace to clear a cell
  • Gray cells are pre-filled clues — they can't be changed
  • Errors are highlighted in red automatically
  • Solve the puzzle as fast as possible for a higher score!