Crazy Sudoku provides thousands of Sudoku puzzles of alldifficultylevels. It has an intuitive touch screen interface forsolving easypuzzles as well as extremely challenging ones not foundanywhereelse. Crazy Sudoku has challenges not only for thebeginner, butalso for the experienced Sudoku player. • Thousands ofSudokupuzzles with a wide range of difficulties • 9 levels fordifficulty(Trivial, Easy, Medium, Hard, Very Hard, Extremely Hard,Insane,Cruel, Impossible) • Puzzles with SE Ratings from 1.2 - 10+•Auto-save • Persistent Undo and Redo • Ability to checkforcorrectness • Optional intersection highlighting • Optionalhapticfeedback • Solution time statistics