9-2

How to get here:

1. Get Super Mario All Stars cartridge
2. Insert cartridge into SNES
3. Turn on SNES
4. Press start
5. Select Super Mario Bros. The Lost Levels
6. Press start thrice (three times)
7. Beat world 1 without skipping any levels
8. Beat world 2 without skipping any levels
9. Beat world 3 without skipping any levels
10. Beat world 4 without skipping any levels
11. Beat world 5 without skipping any levels
12. Beat world 6 without skipping any levels
13. Beat world 7 without skipping any levels
14. Beat world 8 without skipping any levels
15. Beat world 9-1
16. Done