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