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 bit bored with the constant repetition of 1 through 9 and 3x3 boxes.With variations such as overlapping and oversize grids, diagonals, shaded squares, and more, these puzzles bend the rules and bring something new to the game.Each gem is like a crazy cousin of standard sudoku--and solvers will be overjoyed to join the family reunion.