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”
    Perfect to wake up the brain in the morning”
    Challenge yourself with the extreme level or relax with easy”
    And hours of entertainment while waiting in lines and on appointments”
    This app is a great way to exercise your brain and stop boredom”
    Grows on you and really great critical thinking game
    I always love a good mental workout
    Brain training game with convenient interface to track your calculation”
    And helps me fall asleep on those insomnia nights”
    Its really mind blowing app”
  • Keep in mind
    Don't trust that much data usage
    Latest update includes notification bar ads”
    I replaced phone but first game i downloaded is Sudoku Free”
    Now annoying AD pop -ups”

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