PlaySudoku.us
Easy
Medium
Hard
Expert
Evil
Learn
💡 Did you know?
1
3
4
1
7
7
9
8
8
2
5
7
9
4
1
6
7
9
6
2
3
4
4
8
1
6
3
✓ Completed!
00:00
⏸
7
1
3
4
1
7
9
8
8
5
7
9
6
2
4
7
9
1
2
3
4
8
6
4
1
6
3
1
2
3
4
5
6
7
8
9
✕
↩
Undo
✕
Erase
💡
Hint
💡 Did you know?