Take your favorite game with you wherever you go. Playing Sudoku on mobile is as good as with a pencil and paper. There are 4 labels from where you can select -EASY Label -MEDIUM Label -DIFFICULT Label -EXPERT Label Other Feature -Zoom in & Zoom out -Eraser option -More are coming Auto Save option for all games.Choose any level you like. Play easier levels to exercise your brain, or try expert levels to give your mind a real workout. Our Sudoku has some features that make the game easier for you:duplicates highlight. Get an amazing Sudoku experience: · Challenge yourself figuring out your mistakes, or enable Auto-Check to see your mistakes as you go · Highlight duplicates to avoid repeating numbers in a row, column and block . Prove your brain is better than every brain Train your brain with Sudoku anywhere, anytime!