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