Sudoku Duo is a lovingly developed, completely free Sudoku game with no ads. It combines the classic logic game with an innovative two-player mode – unique on Google Play.

? Single-Player Mode
Solve classic Sudoku puzzles in four difficulty levels (Easy, Medium, Hard, Expert) – with intelligent aids such as notes, error display, hints, and customizable game settings. All Sudoku puzzles are automatically generated and guaranteed to be solvable.

?‍?‍? Duo Mode – The Sudoku Experience for Two
Discover Sudoku in a whole new way: Two players, one board – who will solve their area first?
Numbers spin, perspectives shift – and suddenly the classic logic game becomes a gripping duel or a cooperative adventure.
Quick reactions, logic, and strategy are required – but also teamwork and intuition.
⚡ Experience a Sudoku dynamic unlike any other Sudoku app.

? Title System & Motivation
Collect unique titles on your Sudoku journey – from "Curious Mind" to "Enlightened Master." Choose your favorite title and showcase your Sudoku personality.

? Zen Leveling System
Level up! Win games, advance in the Zen-inspired leveling system, and experience real progress – inspiring at your own pace.

?️ Rewards & Personalization
Unlock stunning images by winning games and personalize your background. Use filters and favorites to organize your collection. Choose from a collection of avatars or use your own image. Your Sudoku – your style.

? Multilingual
Play in German, English, or Hindi – the app automatically adapts to your language.

? Keep an eye on your performance
Keep track of your winning streaks, personal bests, and your playing strength in percentage. Develop playfully – without any pressure.

⚙️ Smart settings & features
- Pause function – resume at any time
- Automatic notes
- Light & dark mode
- Highlight cells and numbers
- Error indicator & vibration
- Undo / end game
- Clear instructions with animation
- Share with friends & send feedback

? 100% free. 0% advertising.
Sudoku Duo is a hobby project with heart and attention to detail – developed to rethink Sudoku – playful, motivating, and unique.