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