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