Log in with your Microsoft account and all your data will be saved in the cloud. Play across all your Windows 8.1 or Windows 10 devices without ever losing progress. Complete enough Daily Challenges in a month to earn badges and compete with your friends.

Keep your mind ultra-sharp with fresh new daily challenges: Irregular Sudoku uses a grid broken up into different shapes, while Symbol Sudoku replaces numbers with intriguing colors and icons.

You can input numbers using a mouse, keyboard, touchscreen, or even write them using a stylus. New to Sudoku? Microsoft Sudoku is great for beginners too, and contains a full explanation on how to play as well as tips and tricks to help you improve your skill! With five difficulty levels, fresh daily challenges, achievements and leaderboards, Microsoft Sudoku provides hundreds of brain training puzzles for players of all ages. Microsoft Sudoku is the classic game you love, with a modern look and feel and exciting new features. Introducing the new Microsoft Sudoku, the #1 logic puzzle game makes the most of your Windows device.

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