Ultimate Sudoku is a HTML5 Game. Play endlessly Sudoku in Ultimate Sudoku. Select from three different modes: beginner, intermediate or advanced. Choose the numbers at the bottom of a number and then select a box.
How to play : Fill in the blanks with numbers from 1 to 9, each row, column or 3×3 block must contain the number 1 through 9 exactly once. Use keyboard or number buttons to fill in the blanks.
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