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