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