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