Sudoku is one of the most popular games in the world having hit feverish heights in Japan, Europe, and now the US.The rules of Sudoku are simple. Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3 square. Each Sudoku has a unique solution that can be reached logically without guessing.With this game you can easily print your games.Limitations: