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