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