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