1. ATBT-AA32 - Master code, must be entered

Some codes don't work when you start on special stages using code 13
2. AE3T-AACL - Start with 1 life

3. AY3T-AACL - Start with 5 lives

4 AE0T-CABE - Once invincible, stay invincible for the rest of stage or until you die

5. SCRA-BJX0 - Each ring counts as 2

6. SCRA-BNX0 - Each ring counts as 3

7. SCRA-BTX0 - Each ring counts as 4

8. SCRA-BYX0 - Each ring counts as 5

9. SCRA-B2X0 - Each ring counts as 6

10. SCRA-B6X0 - Each ring counts as 7

11. SCRA-BAX0 - Each ring counts as 8

12. GJ6A-CA7A - Infinite lives

13. AJ3A-AA4G - Level select menu

14. AY3T-BA4R - Start with 5 chaos emeralds

15. DDLT-AAGL - Super jump

16. BDLT-AAGL - Skywalking

17. KDLT-AAGL - Low jump

18. AEOT-CABY - Once you have shoes, keep shoes for the rest of stage or until you die