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