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