If a blank square on the board is selected, Show Guides will highlight possible numbers that could occupy that square. Show Incorrect will highlight mistakes with a red box. Block Duplicates will not allow a number to be entered twice in the same row, column, or 3x3 house. Keyboard Shortcuts: Arrow Keys = Select a square Numbers = Enter a number Delete = Erase the selected square CTRL+Z = Undo. Use the 'Erase' button to clear a square. Use the 'Notes' (Pencil) button to toggle between numbers and notations. With using a keyboard, use the arrow keys to select a square and then type any number. Or, you can select the square first and then select the number.

Then, select any square on the grid to enter the number you chose.

First, select a number from the list on the right side of the puzzle. These numbers cannot be changed.Ĭontrols. The goal is to fill the entire grid with numbers from 1-9 so that no number repeats itself in any of the 9 rows, columns, or 3x3 houses. Microsoft Sudoku is a puzzle game with numbers and a 9x9 grid. 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.

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