You can also click on the progress button to see if you've made any mistakes. Click on the hint button, located in the main menu, to see possible answers highlighted in red. You can 'pencil in' several guesses per square. Each number can only be used once in a given row or column.Įnter the correct number in every grid square to win! Sudoku has two modes: Pen and Pencil. Use simple logic to fill in the sudoku puzzle's nine rows and nine columns with numerals 1-9. Mouse over a square and click on the number(s) you want to enter. If you're not sure of an answer, you can select the pencil button instead. Click on the pen button, then left-click on a square and drag the cursor up and down to enter your 'pen' answer.

If you prefer to solve on paper, see my 100 Free Printable Sudoku Puzzles page. If you like Microsoft Sudoku, you might enjoy the other sudoku games on this site, such as Sudoku Master.

This is the official game created by Microsoft Studios and is free-to-play online here.įor detailed instructions on how to play sudoku, please see the Sudoku Instructions series on this site.įor in-game instructions, see below as well as the How to Play section of the Menu in the game.

Microsoft games free sudoku