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