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