Did You Know?

The puzzle was originally called "Number Place" in the US. The name "Sudoku" was given by Japanese publisher Nikoli.

Did You Know?
✓ Completed! 👍
1
7
4
9
3
3
9
6
7
2
5
1
6
1
7
9
3
4
2
9
5
8
1
6
3
9
1
8
5
2
1
6
4
8
2
7
1
9
5
5
9
2
3
4
Pro Tip

Work the most constrained areas first — rows, columns, or boxes that already have the most filled digits.

Pro Tip