Take the journey to a special world with Sudoku. With beautiful graphics and new features, this is the best Sudoku game on iOS platform.GREAT NOTESThe optional notes feature can memory your notes into the puzzle for you and keeps them updated as you solve. If you don't want the number input before, you can easily clear it by reselected, the optional great notes feature automatically delete the notes when you finished the grid.INCORRECT CHECKINGThe incorrect checking can smartly check the number you input if correct or not, catch the errors and keep you awake for input every single number. MULTIPLE DIFFICULTY LEVELSFour different difficulty levels, from easy to expert, ensure that you will be able to find a puzzle that matches your skill level. With over 100 total puzzles, you won't run out of interest any time.Download Sudoku and start playing the way you like. Special Sudoku