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