Support & Help Center

Have questions, feedback, or need help with Sudoku Master: Brain Challenge? Browse our frequently asked questions below or get in touch with our team.

Frequently Asked Questions (FAQs)

1. Is Sudoku Master free to play?

Yes! Sudoku Master: Brain Challenge is 100% free to play. You can access all puzzle difficulties, pencil notes, and daily challenges without any mandatory subscriptions.

2. Can I play Sudoku Master offline?

Yes! The game works fully offline. You can solve puzzles, take pencil notes, and track your daily stats without an active internet connection.

3. How do Pencil Notes work?

Tap the Pencil Notes button during gameplay to toggle note-taking mode. In note mode, tapping numbers adds candidate digits to the active grid cell. Pencil notes clear automatically as you place correct numbers.

4. Will I lose my progress if I clear app data or uninstall?

Your game statistics and completed puzzle records are saved directly on your device storage. Clearing app data or uninstalling the app will reset locally saved progress.

5. How do Smart Hints work?

When you're stuck on a difficult grid, tap the Smart Hint button. The app will highlight a cell and explain the logical deduction technique used to solve it.

App Information & Permissions

Setting	Detail
Package Name	pencil_puzzle
Version	1.0.0+2
Platform	Android SDK 34 (Android 14+)
Supported Features	Offline Play, Sound Synthesizer, Dark Mode, Smart Logic Engine

Need Additional Help?

If you experience any technical issues, bugs, or have suggestions for new features, please reach out to our support team: