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