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