This Sudoku App is for advanced users ! We have made this Sudoku extreme Edition with over 30.000 puzzles for you but only with Very Ease, Easy, Medium, Hard & Devil levels !!! Each level has 6000 puzzles divided in three parts. Enjoy advanced playing with a new and modern design ! If you cannot get enough then we will add more free Sudoku puzzles for you in the future too. This is the best Sudoku Free App !!