Let Wisdom Be Your Guide as You Take on the Emperor’s Challenge. For many centuries, the Emperor’s subjects proved their worthiness and intellect solving Sudoku puzzles. Now, you too can let your wisdom, logic, and patience guide you in solving the trickiest puzzles ever. You need not be a math genius. You need only love the challenge of reaching balance and harmony in each puzzle. Then you too, can achieve the desirable honor of Sudoku Master.