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