Sudoku Challenge!

[DSiWare] Now's your chance to play the brain-busting puzzle game taking the world by storm. With more than 100,000,000 sudoku puzzles, you'll never see the same puzzle twice in Sudoku Challenge! You can select the classic nine-by-nine sukodu game boards as well as Grand Sudoku, which challenges you to complete five intersecting sudoku boards simultaneously. Just a beginner? Don't worry - with three difficulty options, even the most novice player can complete a sudoku with ease. But if you're a seasoned pro, challenge yourself in "Hard" mode and test your true skills. It's time to get your thinking cap on and see how many sudoku puzzles you can conquer. [Nintendo]