Sudoku (数独) is the number placing game taking the world by storm - see Wikipedia.Posted by James Zellmer at November 24, 2005 12:01 AM | Subscribe to this site via RSS: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.