Give your brain a workout with this ancient game of logic and deduction. Fill in the squares with numbers by following a simple set of rules. Don't worry if you make a mistake, numbers can be easily erased. Hints are available to help you with this cha
Instructions:
Fill in the blanks with the numbers 1 to 9. Numbers cannot repeat in a row or column, nor can they repeat in each 3 X 3 block. Clicking Hint will fill in one number for you. You are only given five hints for each puzzle, so use them wisely. To erase a number, click on erase and then on the number you want to remove.
