Okoker Sudoku is one of the most amazing, challenging, intriguing, and entertaining puzzles to sweep the world in decades. It has a unique solution that can be reached logically without guessing. 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. Discover the Simplest Method to solve Sudoku puzzles..