SUDOKU
Easy · Medium · Hard · Evil
Sudoku Links
the number placing game taking the world
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.
Depending on your experience and skill - solving time is from 10 to 30 minutes...