Microsoft Sudoku

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Play the number game that adds up to fun!

Use simple logic to fill in the puzzle's nine rows and nine columns with numerals 1-9. Each number can only be used once in a given row or column.

Microsoft Sudoku Screenshot 0

Enter the correct number in every grid square to win! Sudoku has two modes: Pen and Pencil.

Click on the pen button, then left-click on a square and drag the cursor up and down to enter your "pen" answer.

Microsoft Sudoku Screenshot 1

You can also type in the number. If you're not sure of an answer, you can select the pencil button instead.

Microsoft Sudoku Screenshot 2