• 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!
– Various improvements and bug fixes