Sudoku Classic
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Sudoku Classic brings the world's favourite logic puzzle to your browser. Fill the 9x9 grid so every row, column, and 3x3 section contains the digits one through nine exactly once, with difficulty levels for beginners through experts.
Instructions
Tap a cell and enter a number from one to nine. Fill every row, column, and 3x3 box without repeating a digit.
Controls
- Mouse / Tap: Select Cell & Enter Number
Tags
Frequently Asked Questions
Yes, Sudoku Classic is completely free to play on Crazy Games with no downloads or sign-up required.
Yes, Sudoku Classic is fully responsive and works on phones, tablets, and desktop browsers.
Sudoku Classic is listed under our Puzzle category, alongside similar games you can browse below.