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