Everyone knows sudoku is enjoyable—but these addictive puzzles come in endless variations too! They range from simple to very difficult, and can take almost no time to finish…or require m
What could be more appealing to Mensa members—or anyone who enjoys a good challenge—than a cunning test of intelligence and logic? That’s exactly what these 250 puzzles provide. The
Variety is the spice of sudoku--so solvers will love these wild variants on the popular puzzle, which up the challenge and the fun! Sudoku took the puzzle world by storm, but some fans have grown a bi
