Logic skills are the name of the game here. Arrange the numbers 1 through 9 in each row, column, and 3x3 block. It starts out easy, but you will find the challenges grow as the game progresses. It's the most popular puzzle for a reason! Not a numbers person? Try the puzzle using card or color symbols instead.

All-Time Sudoku
Arrange numbers on the game board so that the numbers 1 through 9 appear in each row, column and 3x3 block. Sound easy?