Play game SuDuKu by 4j.com on this site available for free of cost, please share it with your friends.
About SuDuKu game:
Do you like suduku? Suduku is an interesting kind of math game, it can test your intelligence and help you become smarter. In this game you need to fill all blanks using number 1-9, every row, every column and every big square cannot have the same number. See how much time you will use!