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