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