Harley's Humongous Adventure

1. DFCF-A7F1 Start with 2 lives
2. D9CF-A7F1 Start with 6 lives
3. FDCF-A7F1 Start with 11 lives
4. 49CF-A7F1 Start with 26 lives
5. 9DCF-A7F1 Start with 51 lives
6. BBCF-A7F1 Start with 100 lives
7. C2C8-07B5 Infinite lives
8. D6CF-ADB1 Start with 4 hearts
9. DCCF-ADB1 Start with 5 hearts
10. C2C0-0DB5 Protection against some hazards
11. FD22-6415 Start with 10 of every weapon
12. 4922-6415 Start with 25 of every weapon
13. 9D22-6415 Start with 50 of every weapon
14. BB22-6415 Start with 99 of every weapon
15. D98D-DDB9 Get only 5 ammo from a weapon power-up
16. 4D8D-DDB9 Get 20 ammo from a weapon power-up
17. 7D8D-DDB9 Get 30 ammo from a weapon power-up
18. 0D8D-DDB9 Get 40 ammo from a weapon power-up
19. 9D8D-DDB9 Get 50 ammo from a weapon power-up
20. DD87-A4B0 Infinite ammo
21. F08C-A704 20 seconds to collect power-ups on level 1
22. 7A8C-A704 60 seconds to collect power-ups on level 1
23. 9C8C-A704 90 seconds to collect power-ups on level 1
24. 7A88-A7D4 60 seconds to complete the Vent level
25. 3C83-ADA4 Infinite time on Vent level
26. 6DCF-04B1 Start with maximum fuel on every level
27. DDC4-6495 Any fuel power-up gives maximum amount
28. DDCD-6DF5 Infinite jet fuel--must already have some to fly
29 D43E-046F Hit X on the title screen with the house to get level select menu