Key Features
1. Challenge Mode: Progress through structured difficulty levels and steadily improve your skills.
2. Practice Mode: Play freely without pressure or score tracking.
3. Free Mode: Customize difficulty by selecting the number of empty cells.
4. Random Mode: Experience a new puzzle every time with varied blank patterns.
5. Clean Interface: A distraction-free, minimal UI that enhances concentration.
6. Convenience Features: Includes notes, undo, pause, and other essential tools.
7. Progress Tracking: Review your play history and monitor your improvement over time.
8. Multilingual Support: Available in English and Korean.