Classic Sudoku for beginners and advanced players. Whether you'd like to relax or keep your mind active – pass time in a pleasant way! Get a small stimulating break or clear your head with Sudoku. Take your favorite game with you wherever you go. Playing Sudoku on mobile is as good as with a pencil and paper. Choose any level you like. Play easier levels to challenge 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: hints, auto-check, and duplicates highlight. You can use them or complete the challenge without help – it's up to you! What's more, in our Sudoku each puzzle has one solution. Get an amazing Sudoku experience: · Complete Daily Challenges and get unique trophies · Challenge yourself figuring out your mistakes, or enable Auto-Check to see your mistakes as you go · Make notes to keep track of possible numbers. Each time you fill in a cell, notes are automatically updated! · Choose one of three appearances to play Sudoku with more comfort, even in the dark! · Highlight duplicates to avoid repeating numbers in a row, column and block · Hints can guide you through the points when you are stuck · Express yourself with funny ninja stickers for iMessage! Challenge your brain with Sudoku anywhere, anytime!