Sudoku Challenge description

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.