CompuCanada SUDOKU

CompuCanada Sudoku game allows you to choose from four different difficulties – Level One and Level Two for average players. Level Three and Level Four for Sudoku masters.

Simple Sudoku instructions to get you started.
1. To start choose your desired difficulty.
2. You will see a 9x9 grid containing 9 3x3 boxes. Some squares will already contain numbers.
3. To complete the Sudoku puzzle you must fill every square on the grid with a number from 1-9. The numbers 1-9 should appear only once in every row, column, and 3x3 box.
4. No guessing is required! Use logic and the given numbers to fill in the remainder of the Sudoku puzzle.