Looking for a paper puzzle? Download this classic addictive Brain Sudoku puzzle game on Google Play for your Android phone and tablet!

This user-friendly classic Sudoku puzzle game has over 10000+ challenging Sudoku puzzles. More and more puzzles are added in each update.

Take them for everyday brain training, and they will help you improve your logical thinking skills, give your brain daily training, and kill time, both for beginners and for experts

This Sudoku brain training game has intuitive interface with many features.

【Key Features】
This new Sudoku board game has many useful features:
1) Easy, Normal, Hard, Expert, different difficulty level,6x6 and 9x9 mode, perfect for sudoku beginners, advanced, even expert players!
2) Notes (Pencil marks), Eraser
3) Cool colorful friendly themes
4) Many highlight options to make it easier to operate
5) Auto save
Any progress will be saved automatically.
6) Unlimited undo, snapshot feature
Long press undo to save a snapshot. So, you can back to it any time.
6) Intelligent hints
If you stuck somewhere, there might be error in other grids. Use hints to find errors, pre-fill the notes and ...
7) Statistics by level, find whether you are a beginner? novice? advanced player? expert?
8) Sound effect
9) Daily Challenge for everyday brain training

【Hints】
** Stuck on some levels in Sudoku? It has errors?
--Each Sudoku has only one correct solution and verified by the computer. Try Hint button.
**Need Speed to complete a Sudoku?
-- Try Pick Num mode
**Night Mode?
-- Try Dark theme in Sudoku, specially designed for Night

【Guide】
Sudoku puzzle is a logic-based number puzzle game, place 1-to-9-digit numbers into each grid cell so that each number can only appear once in each row, each column and each 9x9 grids.
Learn it by this brain game and you will like it soon.

This Sudoku puzzle game want to be the most simple, intuitive, pretty Sudoku game with clear user-friendly layout you've ever played! We're improving this cool Sudoku puzzle game and more features are in the development, mail to us for any suggestions.
Come to this Sudoku kingdom, and keep your mind fast and effective, logical and has a good memory.
If you enjoy this Sudoku puzzle game, please rate us and share this cool Sudoku game to your friends.