Free • No download
About Classic Sudoku
Enjoy the traditional Sudoku game with simple controls. Sharpen your logic skills, tackle puzzles of different levels, and climb the global leaderboard!
How to play
The aim of Classic Sudoku is to complete a 9×9 grid with numbers in such a way that each row, each column, and every 3×3 subgrid includes all digits from 1 to 9 without repetitions. Controls: - On PC: use the keyboard to input numbers and navigate the grid with arrow keys. - On smartphones: intuitive touch controls with large, convenient buttons. During the game, you can: - Clear a cell by selecting it and pressing «ERASE». - Revert your last move with the «UNDO» button. - Get a hint by pressing «HINT». After viewing a short ad, the game will fill in the correct number in one of the empty cells (randomly or in the cell you chose). To win, you need to fill the entire grid correctly, without errors or empty cells. Points are awarded based on the difficulty level and the time taken. Your final score will be saved and added to the leaderboard.
Screenshots
Classic Sudoku FAQ
Is Classic Sudoku free to play?
Yes. You can play Classic Sudoku online for free without buying the game or creating an account.
Can I play on mobile or a Chromebook?
Yes. The game runs in a modern browser on phones, tablets, laptops, desktops, and Chromebooks.
Do I need to download anything?
No. Press Play and the browser game loads directly on this page.
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