300+ great puzzles with plenty of room to work all of your solution options. Addictive Sudoku puzzles involve reasoning and logic. These wordless crossword puzzles can keep you involved from a few minutes up to an hour or more! Try one and you?ll become hooked too! Super Large Sudoku includes: 308 puzzles at all levels of play; New Sudoku Sums layouts for additional challenge!; More Dual puzzles; Traditional Sudoku at all levels of play