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