For Teachers

For Parents

Sudoku Free

Price: Android - Free

Teacher Certification

SubjectsSubject Category of the app

SafeguardingApp Advertising or In-App Purchases


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Developer Description

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!

4 levels - easy, medium, hard, extreme
3 input modes - digit first, cell first, popup
Pencil marks with auto fill / erase, as specified in settings
Undo and Redo
Intelligent hints
Real time competitions
Top scores and History
Selected digit highlighting, as specified in settings
Incorrect entry highlighting, as specified in settings
Submit results and track progress online

Supports: trackball, touch screen, keyboard.

NOTE: The INTERNET permission is required for competitions and game results upload. The WAKE_LOCK and WRITE/READ_EXTERNAL_STORAGE are needed to prevent screen from sleeping and for move-to-SD functionality. All other permissions are required by the ad networks.

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