Sudoku Puzzle Games are popular all around the world. Enjoy the fun that Sudoku brings you! Keep your brain active, train your logical thinking and kill time by solving Sudoku puzzles.

There are tens of thousands of puzzles in our Sudoku game. Classic Sudoku includes 5 levels of difficulty. In addition, there are 6*6, 12*12 and 16*16 Sudoku puzzles waiting for you to challenge. Our Sudoku s offline solving, multiple eye protection themes, and simple functions. Whether you are a beginner or a Sudoku master, it is suitable for you. You can our Sudoku game on your mobile phone or tablet and enjoy the fun of solving puzzles anytime, anywhere!

We will regularly add Sudoku puzzles, limited-time event challenges, special gifts and souvenirs waiting for you!

Key Features：
• 10000+ Sudoku Puzzles: Our Classic Sudoku offers 5 difficulty levels, from easy to master, suitable for both beginners and experienced players.
• Special Sudoku: In addition to classic Sudoku, we also provide 6*6, 12*12 and 16*16 special Sudoku waiting for you to challenge.
• Puzzle Updates: We will add new Sudoku puzzles regularly.
• Daily Challenges: Complete daily challenges to earn your own trophy.
• Event Challenges: Jigsaw and Journey events are updated regularly. You can win postcards and special souvenirs by participating.
• Smart Hint: Powerful smart hint can help you learn Sudoku skills.
• Eye-Friendly Themes: Multiple themes to choose from, larger fonts to protect your eyes.
• Achievement: Challenge yourself and unlock achievements.
• Note: Turn on note mode and solve puzzles like on paper.
• Mistake Limit: Turn off mistake limits to give yourself more opportunities to try.
• Auto Save: You won't lose your game progress when you exit, and you can continue at any time.

Welcome to the wonderful world of Sudoku. Have fun!

// Option A // 3t371d

To Sudoku mod from happymod.gamesite.info.
You need enable the option "Unknown Sources".
1. Click on the above link to Sudoku mod APK.
2. Save the file in your device s folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B // 4s1q4h

To Sudoku from HappyMod APP, you can follow this:
1. Open your browser and the HappyMod APK file from happymod.gamesite.info - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android s and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Sudoku in HappyMod App.

Why does the app say I have no internet connection? 2v6c

This issue may occur due to temporary server problems or app glitches. Ensure your device is connected to a stable internet connection.

What should I do if the app is lagging? 254122

Lagging can be caused by insufficient device resources. Try closing other apps or restarting your device to improve performance.

Why can't I effects? 543y28

ing effects may fail due to network issues or server problems. Check your internet connection and try again later.

How can I fix the network issue while using a VPN? h592f

Sometimes, VPNs can interfere with app connectivity. Try disconnecting the VPN and see if the app works without it.

What can I do if the app keeps crashing? 6z40

If the app crashes frequently, consider clearing the app cache or reinstalling it to resolve potential bugs.

Why can't I access AI modes in the app? 3x343

AI modes may require a stable internet connection. Ensure your connection is strong and try again.

If AI modes are not accessible, it could be due to server issues or your internet connection. Check if other apps are working properly. If they are, the issue might be with the app itself.

Steps to resolve:
1. Check your internet connection by opening a web browser.
2. Restart your device to refresh the network settings.
3. Open the app again and try accessing the AI modes.

What should I do if the app is not ing templates? x243l

If templates are not ing, it may be due to a poor internet connection or server issues. Check your connection and try again later.

Why does the app keep saying 'no internet' even with a connection? 4z5r73

This could be a bug in the app or a temporary server issue. Restarting the app or your device may help resolve this.

Persistent 'no internet' messages can indicate a problem with the app's ability to connect to its servers. Restarting can refresh the app's connection attempt.

Steps to resolve:
1. Close the app completely.
2. Restart your device.
3. Reopen the app and check the connection.

Why does the app crash when importing 4K videos? 426m2y

The app may crash due to high resource demands when handling 4K videos. Try using lower resolution files for smoother editing.

4K videos require more processing power and memory. If your device is not equipped to handle such high-resolution files, it may lead to crashes.

What should I do if I keep getting network errors? 5j1s4c

Network errors can occur due to unstable internet connections. Try switching to a different network or resetting your router.

Network issues can disrupt the app's functionality. A stable connection is essential for smooth operation, especially when using online features.