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