Microsoft Sudoku is a well-known puzzle game. Fill in the puzzle's nine rows and nine columns with the numbers 1-9 using simple logic. In a given row or column, a number can only be used once. To win, you must correctly enter a number in each grid square. There are two ways to play Sudoku: Pen and Pencil. Multiple guesses per square are allowed. To see a list of possible answers highlighted in red, go to the main menu and select the "hint" button. To check for errors, you can also click on the progress button.
How to play
Left-click on a square and drag the cursor up and down to select "pen." Type the number. If you're unsure, click pencil. Click a square's number(s).