About
Exercise your brain and enjoy Sudoku! This app offers daily games at 16 levels, along with hints and a tutorial to teach you new techniques. It supports both phones and tablets, and its user interface is optimized for fewer touches. With multi-level undo and redo, automatic or manual pencil marks, and support for keyboard and trackball input, this app has all the essential features for a Sudoku lover. It also includes advanced techniques like X-Wings, sashimi fish, and coloring, and offers a choice of six color schemes and digit styles. With true Sudoku games that have symmetry and a single solution, this app is perfect for Sudoku enthusiasts. [Free app]