Game Description:Carol Vorderman, the ultimate Sudoku expert, will show you how to play and conquer the number game phenomenon that is sweeping the world! There are over one million puzzle boards to choose from, meaning countless hours of puzzling fun. Learn step-by-step strategies to playing the game, or test your skills in head-to-head matches. Four difficulty levels mean all players, from beginner to expert, are welcome. Multiple game modes let you choose a casual game or the chance to take on the master and win your Sudoku black belt. You can choose the level of help you get from the Tutor, so you can tailor your own learning, and if you get totally stumped, the powerful Puzzle Solver will come to the rescue.