1. REBT-A6TN - Master code, must be entered

2. AVGA-AA2W - Infinite time per round, must get a knockout

Codes altering minutes per round work only in career mode
3. AF1A-AAG8 - Each round is 1 minute

4. AK1A-AAG8 - Each round is 2 minutes

5. AV1A-AAG8 - Each round is 4 minutes

6. AZ1A-AAG8 - Each round is 5 minutes

7. A71A-AAG8 - Each round is 7 minutes

8. BF1A-AAG8 - Each round is 9 minutes

9. ABVT-AABY - Player 1 starts with 0 super punches

10. AKVT-AABY - Player 1 starts with 2 super punches

11. APVT-AABY - Player 1 starts with 3 super punches

12. ATVA-AA90 - Player 1 gets infinite super punches

13. SEVA-BJZT - Each knockdown worth 2 super punches to Player 1

14. SEVA-BNZT - Each knockdown worth 3 super punches to Player 1

15. ABVT-AACA - Player 2 starts with 0 super punches

16. AKVT-AACA - Player 2 starts with 2 super punches

17. APVT-AACA - Player 2 starts with 3 super punches

18. ATVA-AA9C - Player 2 gets infinite super punches

19. SEVA-BJY4 - Each knockdown worth 2 super punches to Player 2

20. SEVA-BNY4 - Each knockdown worth 3 super punches to Player 2

21. AXLA-AA9R - Infinite stamina for Player 1

22. SFGA-BGY6 - Player 1 regains stamina faster than normal

23. AXGT-AA6Y - Infinite stamina for Player 2

24. SFGA-BGWL - Player 2 regains stamina faster than normal

Codes 25 through 33 affect creating a new boxer. stamina codes work as described for olympic, but give you a little less for military and street
25. LALT-DA7W - Punch power starts at maximum

26. FALT-DA7W - Punch power starts at half of maximum

27. AALT-DA7W - Punch power starts at zero

28. NALT-CAHE - Stamina starts at maximum

29. GALT-CAHE - Stamina starts at half of maximum

30. AALT-CAHE - Stamina starts at zero

31. LAMA-DA2Y - Chin starts at maximum

32. FAMA-DA2Y - Chin starts at half of maximum

33. AAMA-DA2Y - Chin starts at zero

34. RE3T-C6TW - Infinite strength beads