Classic sudoku game now can be played on your phone and tablet. Sudoku is a logic number-placement puzzle game. To win a sudoku game, you need to fill the 9×9 grid with numbers so that there will be no repetitive number in each row, each column and each 3×3 sub-grid, namely numbers 1-9 will only appear once in each row, column or sub-grid. Also, it is a relaxing causal game, but it requires your focus to figure out the solution. Therefore, sudoku will help you exercise your brain and memory because you need to think and utilize your logic when you are playing sudoku. Our sudoku is committed to improve your game experience. It has 4 levels of difficulty for players with different capabilities of sudoku, from beginners to masters on sudoku. Also, it has various functions to help you win the game, such as Hint, Undo/Redo, Take Notes, etc. Moreover, you can practice your skills and challenge yourself by playing Daily Challenge and My Challenge. We are sure you can have great fun and better game experience when you are playing our sudoku. Now, download Aged Sudoku and start figuring out solutions to every puzzle!Features:- Daily Challenge & My Challenge: you can challenge every day to practice your skills of playing sudoku- 4 levels of difficulty- Highlighting: selected number, row, column, sub-grid and other same numbers will be highlighted when one of the cells is selected- Hint: when there is a single solution in the game, you can click Hint and then it will automatically fill the cell with answer- Intelligent hint: when you select the last empty cell in a row, column or sub-grid, you will be reminded of the answer- Error Cap: turn on/off mistake limit- The quantity of remaining numbers is provided- Hide numbers which have used up- Unlimited chances of Undo/Redo- Automatic Error-Checking: when you fill with a wrong answer, it will automatically undo your answer- Autosave incomplete game- Multiple background and appearance styles you can choose- Multiple language choices