Sudoku is a Classic Sudoku Puzzle game to train your brain and sharp your mind. Sudoku is so interesting loved by many people all over the world. This classic Sudoku puzzle game is designed to all people whether you are expert or beginner to Sudoku number games. The classic Sudoku game is so light; you can play it anytime and anywhere.

Key Features:
Many Sudoku puzzle games: 10000+ Sudoku puzzle games waiting for you, and we add more and more Sudoku puzzle games every week.
Different difficulty levels: 6 difficulty levels in this Sudoku game, including 6x6, easy, medium, hard, expert, and 16x16.
Jigsaw activities: There are many jigsaw puzzle activities. Play Sudoku to unlock the jigsaw puzzle pieces, and then to get many beautiful pictures.
Daily Challenge : Complete Daily Challenges to collect wonderful trophies.
Different themes: There are different themes to protect your eyes, you can choose white, black, and yellow themes as you like.
Notes: When you find a Sudoku game is difficult, you can turn Notes feature to take notes as using real paper and pencil.
Smart Notes: When the difficulty level is Hard or Expert, you can use Smart Notes feature to take notes automatically. Smart Notes will reduce the difficulty of the Hard and Expert level Sudoku puzzle games when you need.
Hint: Use Hint feature to tell you how to fill the next cell for the Sudoku number. This feature also teaches you fast if you are not very good at Sudoku game.
Undo: You can use Undo feature to undo the last step of the Sudoku game.
Eraser: Use Eraser feature to erase any cell you filled.

Hurry up, let's download and play this classic Sudoku puzzle game now!

// Option A //

To download Sudoku - Classic Sudoku Puzzle mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Sudoku - Classic Sudoku Puzzle mod APK.
2. Save the file in your device Downloads 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 //

To download Sudoku - Classic Sudoku Puzzle from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - 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 downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Sudoku - Classic Sudoku Puzzle in HappyMod App.