Play Sudoku and challenge your brain! You can gain intelligence and logical thinking ability with this Sudoku game. Sudoku is unique puzzle game experience on mobile like real sudoku on paper with pencil.

Sudoku is a logic-based number puzzle game and the goal is to 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 mini-grid.

Choose any level you like. Play easier levels of sudoku puzzles to exercise your brain, logical thinking and memory, or try hard levels to give your mind a real workout.

Key Features:

- 4 perfectly balanced levels of difficulty: easy, medium, hard, and expert sudoku
- More than 500 free levels, continuous massive update
- Each Sudoku puzzle has one and only one solution
- Detailed novice guidance
- Minimum customs clearance time record
- Intelligent color annotation to avoid digital conflicts

Challenge your brain anywhere, anytime!