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