Sudoku - Logical Number Puzzle is a classic sudoku game available on iPhone. It offers easy puzzles for beginners and fiendish puzzles for advanced players. With an inbuilt Sudoku or the ability to transfer puzzles from your favorite newspaper, this game provides all the tools you need to enjoy the experience. Sudoku is a great way to relax your mind and keep it active, and this game allows you to challenge yourself to a real workout. The expert levels even include hints like Swordfish to assist you in solving the most difficult puzzles. You can use the ball of string to make notes and track possible numbers, as well as tools to highlight mistakes or auto fill possible numbers. With billions of built-in genuine Sudoku puzzles, six levels of difficulty, and a variety of features like Game Center Achievements and Leaderboards, this game offers endless entertainment. Whether you're a beginner or a Sudoku master, this app is sure to keep you engaged and improve your skills.