Sudoku

Sudoku originally called Number Place, is a logic-based, combinatorial number-placement puzzle.

The objective of sudoku is to fill a 9×9 grid with digits so that each column, each row, and each of the nine 3×3 sub-grids that compose the grid (also called "boxes", "blocks", "regions", or "sub-squares") contains all of the digits from 1 to 9.

The Sudoku grandmaster is designed with pretty art works and user interfaces so that you can enjoy sudoku comfortably.

Additional features:

- Auto complete and remove notes.

- Save & restore game progress for solving easily.

- Provide hints.

- Selected number highlighting.

- Alert for wrong input.

- 4 Levels: easy sudoku, medium sudoku, hard sudoku, expert sudoku.

Enjoy sudoku and become sudoku grandmaster~