Sudoku Go - Free Puzzle Game

Free Sudoku game with 4 difficulty & 500 puzzles.
Sudoku is a valid intellectual game to brain training.
500 questions have been recorded, you do not need extra download from the Internet.
Selectable 3 types of numeric input key pattern.
Play always and everywhere Sudoku Go offline.

■ Features

- 4 difficulty : Easy / Normal / Hard / Very Hard
- 500 questions
- Note the candidate in the cell
- Check point (save the returnable points)
- Highlights duplicate numbers
- 3 types of numeric keys
- Display the elapsed time ( * There is no time limit.)
- Automatic saving & loading of the game state

■Sudoku rules

Sudoku is a 9×9 square puzzle made of 9 lines , 9 columns et nine "regions" .
The puzzle contains digit from 1 to 9 and empty squares.
The aim of this game is to fill in empty squares using digits from 1 to 9 according to the following rules.
Each digit must be found once and only once per line, per column and per region.