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