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