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