Do you love logic games? Do you always play sudoku by pencil and paper? Now, you can play it at iPhone devices. It's a classic sudoku game for beginners and master players. Whether you'd like to relax or keep your mind active – pass the time in a pleasant way! Play easier levels to challenge your brain, or try expert levels to give your mind a real workout. Sudoku has some features that make the game easier for you: hints, auto-check, and highlighted duplicates. You can use them, or complete the challenge without their help – it's totally up to you! It worth you to try at anywhere, anytime!