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