Play the ORIGINAL Sudoku puzzle game and train your brain with thousands of puzzles for FREE on iOS! This CLASSIC Sudoku is suitable for beginners to experts. There are thousands of addictive Sudoku puzzles waiting for you. Try our BEST SUDOKU app, which is beautiful and fun, just like puzzles in the newspaper. New puzzle games are added all the time to help you train your brain, take a short break or take your mind off your stressful everyday life. Main features: • Intuitive and very simple interface • Thousands of puzzles in many difficulty levels: Fast, Easy, Medium, Hard and Expert • Keep fit with daily challenges • Fill in notes to make difficult puzzles easier to master • Automatic error correction to check notes • Explanatory hints: Detailed explanation of the requested hint with step-by-step instructions • Highlighting of numbers, for a faster search • Extensive statistics to monitor personal progress • Eye-friendly color design: Choose between black, sand, grey and white, and size of the numbers • Score is saved and can be paused and resumed at any time • Personalized gameplay: extensive settings for customization • Display Zoom Support for larger controls • Supports landscape and portrait format • Offline playable without restrictions Sudoku is an addictive and tricky puzzle game for every age. Let's go. Instantly boost your brain power now!