Play Sudoku Classic Online - Free 9x9 Number Puzzle Game

Master the classic Sudoku puzzle! Click any empty cell and use your keyboard or on-screen keypad to enter numbers 1-9. Remember: Each number must appear only once per row, column, and 3x3 box. Delete numbers by re-entering them or using the erase function. Use the 'Hint' button if stuck and track errors with real-time feedback. Develop strategic thinking and pattern recognition as you progress through difficulty levels. Perfect for beginners and experts alike - sharpen your logic skills with this timeless brain game. Play now and join millions of Sudoku enthusiasts worldwide!