Sudoku Packs features numerous handpicked Sudoku puzzles expanding six progressive difficulty packs.  Sudoku Packs is an exhilarating and challenging game for both novice and experienced players.  You can play the classic 9 x 9 puzzle grids or venture your way through each puzzle pack. Defeat all the packs to win the game!   If your Sudoku addiction cannot be tamed by the traditional book of puzzles, then take it to new heights with Sudoku Packs. FEATURES • 9 Beautifully detailed puzzle themes! • Cell assistance to help you through the tough areas. • Game Center Top Leaderboards & Achievements. • Share and Print Sudoku puzzles Sudoku Packs is a great game, even if you have never played Sudoku or are looking for exciting ways to teach friends of any age how to master the game.