Play Sudoku for hours thanks to an unlimited number of grids! 3 difficulty levels, a simple an intuitive design ! Face the Sudoku challenge in the metro, at the office, in a waiting room, in the toilet! 3 difficulty levels: Easy, Normal, Hard! Youll finish an Easy grid in 10 min, whereas you could spend all night on an Hard grid. Sudoku for all levels! Features: Put down all candidates for a cell (example: the cell can contain 1,4,6,9) Click a number to show all of the numbers of the grid (example: clicking on 1 shows all the other 1s) You can view clearly which line and which column you clicked on! Access a users manual Access to help that will: o Check the grid to see if you made a mistake o Add a number if you get stuck Be careful as using the help feature adds a time penalty to the clock. See all the possible candidates for the empty cells in 2 seconds? Thats easy: use credit to calculate it automatically. You can purchase additional credit directly within the application: you receive 2 free credits upon first installation. Theres nothing unnecessary in this application, just the essential.