Download the Sudoku Central app and play free online Sudoku puzzles for hours. You can solve challenging puzzles one-by-one by entering your answers, and track your progress in your individual progress bar. Create your Sudoku puzzle and then share it with friends, family, and the world! You can add hints or help, and play along with friends via game chat or direct messaging. The app has a variety of features and game play modes, including the ability to share puzzles to Facebook and Twitter and challenge friends for a high-score. The best part is that you can create your own puzzles and enjoy your favorite puzzles in the app at any time.