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