Pro Tip

Never guess. Every Sudoku on this site has a logical solution. If you feel stuck, try a different technique.

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

Look for digits that already appear 7 or 8 times on the board — they're the easiest to place last.

Pro Tip