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