What is Sudoku?
Sudoku is a logic-based number puzzle where you fill a 9×9 grid with digits 1 through 9. Each row, column, and 3×3 box must contain every number exactly once with no guesswork needed.
Sudoku is a logic-based number puzzle where you fill a 9×9 grid with digits 1 through 9. Each row, column, and 3×3 box must contain every number exactly once with no guesswork needed.
Click Play to start a new puzzle or continue a saved one. Choose Easy, Medium, or Hard difficulty, then click cells and enter numbers that follow the standard Sudoku rules.
Complete the entire grid so each digit 1–9 appears once in every row, column, and 3×3 block. When all cells are filled correctly, you win the puzzle.
Easy puzzles give more starting clues for beginners, while Hard boards leave fewer numbers and demand deeper deduction. Medium sits between them for steady practice.
No. This Sudoku game runs free in your browser and can save unfinished progress locally. Open it anytime for a quick logic challenge on desktop or mobile.
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