Sudoku play online

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!