Sudoku Challenge

Easy to use and play Sudoku game. The initial levels are very easy so it's suitable for anyone, even those playing Sudoku for the first time. * Single and multiplayer variations. * Contains both normal and X game variations. * 60 second 'pencil' clues feature in case you get stuck. * Difficulty increases every game until there are only between 20 and 25 hints. * 100 pre-built puzzles, with more generated in the background as you play. * Each puzzle has only a single solution. * Top leader board times for each level displayed.