Passwords
Status - Password
Survival Mode completed - G51FF888
Amateur Series completed - 90HG6738
Top Contender Series completed - H7649DH5
Pro Am Series completed - 2GG48HD9
Professional Series completed - 8G3D97B7
World Title completed - B3G58318
Invincibility and more power
When choosing your boxer, hit these buttons, then hit select when you're finished entering the button sequence:
Right, Left(2), Right, Left - Invincible
Left(4), Right - More power