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