Sudoku Offline is a free puzzle game with three difficulty levels and hundreds of puzzles with only one solution.Enjoy a unique colorful interface that helps you find duplicates and avoid mistakes.Download now and train daily your brain by improving your memory and logical thinking.GAME RULES:* Sudoku grid consists of 9x9 spaces.* You can use only numbers from 1 to 9.* Each 3×3 block can only contain numbers from 1 to 9.* Each vertical column can only contain numbers from 1 to 9.* Each horizontal row can only contain numbers from 1 to 9.* Each number in the 3×3 block, vertical column or horizontal row can be used only once.* The game is over when the whole Sudoku grid is correctly filled with numbers.FEATURES:* Three difficulty levels: Easy, Medium and Hard* Colorful UI* Pencil marks: You can note possible numbers in any empty cells* Highlight duplicates to avoid repeating numbers in a row, column and block* Show digit counts* Auto-save: If you leave a sudoku game, it will be automatically saved and can be resumed later* Undo command: Undo the numbers filled in the grid after* Top scores* You can play offlinePRIVACY POLICY / TERMS & CONDITIONShttps://sites.google.com/view/pptcsudoku/home-page