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