Click on a cell and use your keyboard to type in the numbers.
☆ ☆ ☆ Sudoku is the most popular logical puzzle game of all time! ☆ ☆ ☆
Goal of Sudoku the game:
✓ No duplicates of the numbers 1-9 horizontally.
✓ No duplicates of the numbers 1-9 vertically.
✓ No duplicates of the numbers 1-9 in the 3×3 cell groups.