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