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