Pro Tip

Start with Naked Singles — cells where only one digit can possibly go. They're the easiest wins.

Pro Tip
✓ Completed! 👍
7
2
8
8
4
3
5
4
8
9
1
1
5
3
3
6
6
4
3
5
1
3
8
8
7
5
Sudoku Trivia

In 2005, Sudoku mania was so intense in the UK that it was credited with boosting pencil sales nationwide.

Sudoku Trivia