Sudoku: Classic 9x9 Puzzle

Classic 9x9 sudoku: six levels, notes, hints, Auto difficulty, and saved games.

Take a break with classic 9x9 sudoku. Fill every row, column and 3x3 box with the digits 1 to 9.PUZZLES FOR EVERY LEVEL• More than 6,600 puzzles across Easy, Medium, Hard, Expert, Master and Extreme• Every puzzle has exactly one solution• Choose your difficulty or use Auto, which suggests a level based on your recent winsEVERYTHING YOU NEED TO SOLVE• Pencil notes, cleared from related cells when you place a digit• U…