Enjoy playing Sudoku using this Sudoku app from AppDeal. This app provides you plenty of puzzles to keep you on the run. Features: - Five difficulty levels (Very Easy, Easy, Medium, Hard, Very Hard) - Auto fill of notes - Auto error check and highlight cells with errors - Unlimited undo and redo operations - Auto Save puzzles while exiting and resume during next play We are sure you will enjoy this Sudoku app ! Note : This version is ad supported. You may see an ad once every new game.