Classic sudoku with easy puzzles for beginners and fiendish puzzles for advanced players. Exercise your brain with an inbuilt Sudoku, or transfer one from your favorite newspaper - like using pencil and paper but with all the tools! Sudoku is a great way to relax your mind and keep it active, or else challenge it to a real workout. Hints such as Swordfish are included in the expert levels to help you solve them. Use the ball of string to make notes and track possible numbers. Use tools to highlight mistakes or auto fill possible numbers. Every sudoku is unique and has just one solution. Complete a sudoku daily and see how quickly you improve! NO ADS VERSION. From an express simple game to a very hard one, play sudoku anytime, anywhere, and train your brain using your mobile! FEATURES Six levels of unlimited SuDokus - Simple, Easy, Medium, Hard, Very Hard and Hand crafted "SuDoku Master" levels that are more difficult than the hardest SuDokus found in newspapers. That's billions and...