You'll go cuckoo over these sudoku variants! Shake up the typical solving experience with these wild sudoku, perfect for fans looking for something a bit different. First, warm up with a few normal-size puzzles that will teach you the different variants. Then tackle the giant samurai-style sudoku made of five overlapping grids, each with its own unique twist. You must solve all five grids together to complete the entire puzzle. It's crazy fun!