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