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