Challenge players worldwide in daily puzzle-solving competitions
Game Variety
Explore five distinctive Sudoku variations:
- Classic Sudoku
- Comparison Sudoku
- Killer Sudoku
- Math Sudoku
- Symbol Sudoku
Daily Challenges
Compete globally by solving identical puzzles with fellow enthusiasts each day
Unlimited Gameplay
Access an endless supply of puzzles for lifelong entertainment
Key Features
- Five customizable difficulty levels
- Automatic progress saving
- Memo function for potential numbers
- Unlimited undo/redo actions
- Number bookmarking without limits
- Multi-language support (English, Korean, Japanese, Simplified/Traditional Chinese)
- Helpful hints during challenging moments
- Visual indicators for duplicate numbers
- Optimized for high-resolution Retina displays
- Quick memo mode activation (double-tap to switch)
- Color-coded comparison highlighting
- Customizable settings for sound and language
- Direct developer feedback channel