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