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