There are 500 Sudoku puzzles overlapping into 100 Samurai Style puzzles. Samurai Sudoku puzzles consist of five overlapping sudoku grids and follows the same ru
The puzzles in this collection of treacherously difficult puzzles will stretch even the most advanced Su Doku enthusiast. You will need to use all of your best
This popular, even more challenging variant of sudoku is for true puzzle warriors! Each one consists of FIVE sudoku grids arranged in an X-shaped array, with ov
Cora Felton, the Puzzle Lady (who actually couldn't solve a crossword puzzle to save her life), is surprisingly good at sudoku, so it's no problem when a Japane