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