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