Sudoku is a puzzle game. Just come to enter a number click on the square where you want to insert it and type in using the keyboard. If you want to add additional numbers as pencil notes then click on options and tick the pencil marking box. The options also allow you to set the timer and help options. Difficulty settings are set at the top of the page. Good luck!
Highscore is not available for this game, you can play and submit your score with our