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