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Master Sudoku is one of the most popular puzzle games of all time. The goal of Sudoku is to fill a 9×9 grid with numbers so that each row, column and 3×3 section contain all of the digits between 1 and 9. As a logic puzzle, Sudoku is also an excellent brain game. If you play Sudoku daily, you will soon start to see improvements in your concentration and overall brain power. Start a game now. Within no time Sudoku free puzzles will be your favorite online game.
Fill in the grid using these simple rules. The image in the thumbnail shows you how your final squares should look:
Each of the nine blocks has to have all the numbers 1-9 inside of its squares.
Each number can only appear once in a row, column or box of nine squares.
You can use up to five hints to help you solve the grid.