Sudoku Mastermind vs Sudøku

Discover a new generation of Sudoku: smooth, modern, and fully customizable. Solve infinite grids generated on the fly, from Easy to Extreme, and take on the Daily Challenge to keep your streak going. Choose your play style: enable or disable error detection, highlighting, or draft mode. Light or dark theme, adaptive layout, and Mac keyboard support — everything is designed for comfort, with a clean and modern look. Track your progress with detailed statistics and unlock trophies based on your wins, records, and streaks, while enjoying seamless iCloud synchronization. A single one-time purchase removes ads and unlocks the “Hard” and “Extreme” levels — no account, no subscription, and available across all your devices. Compatible with iPhone, iPad, and Mac. Available in 23 languages.

Enjoy classic Sudoku and Sudoku X the way they should be played—fast, intuitive and completely offline. Solve unlimited puzzles generated directly on your device. Whether you're looking for a relaxing number puzzle or a challenging logic puzzle, sudøku offers carefully balanced difficulty levels for beginners and experienced players alike. Choose Your Sudoku Play classic Sudoku or take on Sudoku X for an extra challenge. In Sudoku X, the usual Sudoku rules apply, but both main diagonals must also contain the numbers 1–9. Features - Unlimited Sudoku puzzles - Classic Sudoku and Sudoku X - 4 carefully balanced difficulty levels - Smart hints - Pencil marks (notes) - Error checking - Detailed statistics - Automatic save - Light and dark mode - Optimized for phones and tablets - Optional ad-free upgrade - Completely offline gameplay Unlimited Offline Sudoku Never run out of puzzles. Every Sudoku is generated directly on your device, giving you an endless supply of unique games without requiring an internet connection. Challenge Your Logic Choose the difficulty that matches your experience and solve puzzles at your own pace. Switch between classic Sudoku and Sudoku X whenever you want a different challenge. Track Your Progress Detailed statistics let you follow your solving times, completed games, hint usage and performance across difficulty levels. Designed for Comfortable Play The clean interface keeps the focus on the puzzle. Fast controls, automatic saving, smart hints and carefully designed light and dark modes make every Sudoku session enjoyable. Play Anywhere Because every puzzle is generated on your device, you can play offline anytime—at home, while travelling or during your daily commute. Download sudøku and enjoy unlimited classic Sudoku and Sudoku X puzzles wherever you are.