Cheat codes:
Enter the codes at the Press Start screen.
| Code: | Result: |
| Cheat Mode | X, B, L, R. |
| Big Heads | X, B, Up, Down. |
| Small Heads | X, B, Down, Up. |
| Flat Mode | Down, Up, B, X. |
Unlock More Fighters:
Earn the Bronze, Silver & Gold belts to unlock more fighters.
Unlock the Mike Tyson Challenge:
Beat Tyson and earn the gold belt and you will unlock the Mike Tyson Challenge.
Unlock Iron Mike:
Beat the Mike Tyson Challenge to unlock Iron Mike.
