Dell's flagship Sudoku magazine. Dell's flagship Sudoku magazine – now get more puzzles than ever! Spend just minutes mastering the rules and enjoy hours of solving fun. You'll find over 180 puzzles at four difficulty levels in every issue: easy, medium, hard, and challenger – a real treat! With more easy and medium puzzles than Dell Extreme Sudoku, this magazine is perfect for both beginners and more experienced solvers. Digest-size issues, 160-pages each.