Pro Tip

A solved cell is most useful in whichever house it brings down to one empty cell.

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

Sudoku has no math — you could replace the digits 1–9 with any 9 symbols and the puzzle works identically.

Did You Know?