If you are one of those users who are daily addicted to sudoku puzzles then this tool will seem designed just for you. It lets you create hundreds of different sudokus, including adding those you might find in newspapers, or that you want to solve on the PC. The reverse is also possible, where you can print them off and solve them comfortably lying on the sofa.There are various difficulty levels, and various types of board (from the simplest 4x4 to 16x16).