You won’t be looking for a paper puzzle ever again! With 4 difficulty levels, intuitive interface, and all the functions right at your fingertips, this Sudoku app is sure to be your favorite. Interrupted? Exit Sudoku, and the puzzle is saved exactly as you see it! Want to know how you stack up against other Sudoku players? Upload your results to our servers and see for yourself, or take part in a weekly Sudoku competition. Features: * 4 difficulty levels * 3 input modes: "Digit first", "Cell first", popup * Pencil marks (a.k.a. Notes) with auto fill / erase option * Selected digit and various other highlighting options * Show digit counts option * Auto-save * Unlimited Undo and Redo * Intelligent hints that use only logic * Two levels of automatic error checking option * Submit results and track progress online * Top scores and History * Real time competitions Sudoku supports trackball, touch screen, keyboard. NOTE: This application is ad-supported. You have a choice of ad formats: in-game banners or in-between games interstitials (shown once every three games or so). The screenshots depict playing with the full screen ad style selection. NOTE: The INTERNET permission is required for competitions and game results upload. The READ and WRITE_EXTERNAL_STORAGE are needed for move-to-SD functionality. Please contact our support team at if you have any questions, comments, or suggestions about improving this Sudoku app. Like us on Facebook: Follow us on Twitter: @GeninaDotCom Or visit us online: Enjoy!

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  • Highligths
    My favorite stress relief on the go”
    You're able to continuously challenge yourself to beat your best times”
    Good game to start the day abd wake up your mind”
    And hours of entertainment while waiting in lines and on appointments”
    Excellent way to exercise your brain's ability to solve problems”
    I always love a good mental workout
    Brain training game with convenient interface to track your calculation”
    Great relaxing and thinking game to pass time”
    Try beating my fastest times to keep my brain active and thinking”
    It is super user friendly and just super fun
  • Keep in mind
    Latest update includes notification bar ads”
    I replaced phone but first game i downloaded is Sudoku Free”
    I really hate your new ad placement
    Such a waste of screen real estate that could be used for”
    Now annoying AD pop -ups”

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