Did you know that the number of essentially different Sudoku puzzles has been shown to be just 5,472,730,538? The fewest givens that render a solution unique—is unsolved. The lowest number yet found is 17. Over 47,000 examples of Sudokus with 17 givens resulting in a unique solution are known. Use the hints icon to help guide toward the intended solution.
SuZooku exercises the left and right side of your brain. Cognitive exercise improves brain function and actually protects against cognitive decline.
Sudoku players will find using graphics an enjoyable variation challenging their current skills in a different way. New Sudoku players may find using graphics more interesting. Four levels of challenge keep the game interesting and engaging.
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