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