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