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