Sudoku Lover: Number Puzzle

The objective of this game is to complete a 9×9 grid (made up of 3 x 3 spaces) by filling in missing digits from 1 to 9, without using the numbers more than once in each row, column and grid.

Rules Highlight:

- You can only use the numbers from 1 through to 9
- Each 3×3 space can only contain each number from 1 to 9 once
- Each column and row can only contain each number from 1 to 9 once.