Free Sudoku for beginners and advanced users. Get the ultimate Sudoku experience on your smartphone or tablet! Play classic Sudoku puzzles of outstanding quality. Enjoy a wide variety of unique and beautifully crafted designs for the best possible Sudoku experience. Features ✓ Daily Sudoku challenges✓ Unlimited error-free sudoku puzzles✓ 5 difficulty levels: Beginner, Easy, Medium, Heavy and Extreme✓ Improve your PlayerScore with every game and climb the online leaderboard.✓ Unlock unique and beautifully animated designs ✓ Hints can help you if you get stuck✓ Ingame assistance: prevent duplicate numbers in a row, column, or block✓ Auto-save. If you leave a sudoku puzzle, it will be saved.✓ Turn on the "pen mode" to take notes.✓ 5 Languages: English, French, German, Italian, Spanish Premium Upgrade You have the option of receiving a premium upgrade at any time, with which you can play permanently without advertising. Premium-user advantages are:✓ Ad-free Sudoku gaming ✓ Exclusive Premium Design "Cosmos" (only available for premium users) ✓ Bonus hints: You get 3 extra hints each day.