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