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