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