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