Sudoku - Chapter

Focus on Sudoku without ads or data collection.

Sudoku Chapter is a clean 9×9 number puzzle game where you can progress through 50 chapters and take on a fresh daily challenge. With four difficulty levels from Easy to Expert, both new and experienced players can enjoy Sudoku at their own pace.

[Progress through 50 chapters]
- Complete 50 chapters in order.
- Clear one chapter to unlock the next.
- Choose from Easy, Normal, Hard, and Expert difficulty.

[Take on a new daily challenge]
- Play a fresh puzzle every day.
- See whether you have completed today's challenge at a glance.
- Build a quick and consistent brain-training habit.

[Tools that support logical solving]
- Pencil notes for possible numbers
- Hints when you get stuck
- Mistake count and play timer
- Save your progress and continue later
- A 7-step tutorial for first-time players

[A calm, distraction-free experience]
- No ads
- No in-app purchases
- No location or personal data collection
- Available in English, Korean, Japanese, Simplified Chinese, French, Spanish, Portuguese, Indonesian, and Arabic

No unnecessary distractions—just one satisfying Sudoku chapter at a time.