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Play Sudoku Online Free

Play classic 9x9 Sudoku in your browser. Fill every row, column and 3x3 box with the digits 1 to 9 without repeating a number. It needs nothing but logic, no maths or guessing.

puzzlestrategyLogic number puzzle
Play Sudoku full screen

How to play Sudoku

Controls

Features

Sudoku FAQ

Is this Sudoku free?

Yes, play Sudoku online free with no account.

How do I solve Sudoku faster?

Scan each 3x3 box for numbers that can only go in one cell, then look for rows and columns with just one or two gaps.

Can I play Sudoku on my phone?

Yes, the board works with touch.

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