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