Sudoku

Contains adsIn-app purchases
42.3K reviews
Content rating
USK: All ages
1M+
Downloads
Content rating
USK: All ages
Learn more
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About this game

With Sudoku you now have the famous logic puzzle always with you - for free and offline. Infinite number of Sudoku games guarantee unlimited gameplay. Choose your level of difficulty, use the additional help functions, celebrate your achievements and conquer the leaderboards. With this free Sudoku game you will never run out of puzzles again!

• Infinite number of Sudoku games by random generation of puzzles
• Fully usable offline
• 4 Sudoku difficulty levels: from EASY to VERY HARD
• Notes as on paper
• Automatic saving & loading of the Sudoku game state
• Achievements and leaderboards using Google Play Games
• Free and offline
• Optimized for Smartphone and Tablet

Optional help functions:
• Input buttons are dimmed if a number is used 9 times (or more) in the Sudoku puzzle
• Automatic checking whether the newly entered number is correct
• Highlighting of row, column and box of the currently selected field
• Highlighting of all fields which have the same value as the currently selected input button

NOTE: This Sudoku includes advertisements to allow offering this game for free. The app itself can be used offline / without an internet connection!
Enjoy unlimited Sudoku puzzles and start to train your brain!
Updated on
Jun 23, 2026
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Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Personal info, App activity and 2 others
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted

Ratings and reviews

37K reviews
A Google user
March 18, 2019
1. The easy option isn't easy enough. It's too difficult still for my 10y/o child to do alone. I understand that there have to be ads to keep the app free, but it really bothers me that the sound comes on, apart from the fact that I loathe blinking games for the intellectually challenged. What I like is that you can put in notes and it's easy to work. The loud ads are not acceptable. My children sometimes sleep in my bed and get woken by the loud noise. That's not going to make me buy anything!
6 people found this review helpful
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D N
July 19, 2026
have used this App over 5 yrs. Reduced my rating from 5 to 1 and im being generous. Reason? once you finish a game, immediately Ads starts AND the Ads lock you out. never finishes and you are Forced to restart the game without knowing your finishing time. Ill Uninstall it Now.
3 people found this review helpful
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John Greenwood
July 29, 2026
update 2.10.16 does not highlight errors at end of a game. unhelpful. previous versions highlighted all errors in red. John G.
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What’s new

Various bug fixes and improvements