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