Sudoku Pro

Sudoku is a puzzle game designed for a single player .All you need to do is fill in the grid while making sure that each row, column, and region or block of squares contains each digit exactly once.

-- Features --

- There are 4 levels of difficulty from easy to expert .

- if you are not sure , use the pencil to mark the box number .

- Unlimited number of undo .

- Play offline , it's not require a network connection .

- Clear and simple design .

- Don't forget the hint button if you are stuck .

- Eraser. Get rid of all mistakes .