- Playstation 2
All boxers
Select the "Cheat" option at the "Setup" menu. Then, press Start, X, Circle, Square2, R12, Square, Circle, X, Start.
Invincibility
Select the "Cheat" option at the "Setup" menu. Then, press Start, X2, Circle2, R12, Square2, Start. Note: This code can be enabled on controller one for player one or controller two for player two.
Turbo mode
Select the "Cheat" option at the "Setup" menu. Then, press Start, R110, Start.
Constant power-ups
Select the "Cheat" option at the "Setup" menu. Then, press Start, X, Circle, X, Circle, X, Circle, Square3, Start.
Conversation mode
Select the "Cheat" option at the "Setup" menu. Then, press Start, R1, X, Circle, Square, R13, Start.
Intercontinental Tournament
Select the "Cheat" option at the "Setup" menu. Then, press Start, X3, Circle3, Square3, Start. Alternately, win all five default tournaments to unlock the Intercontinental Tournament.
Alternate costumes
Select the "Cheat" option at the "Setup" menu. Then, press Start, X, R1, Circle, Square, Start. Alternately, successfully complete Life mode with a boxer to unlock a new costume for that character.
All boxers' Life mode
Select the "Cheat" option at the "Setup" menu. Then, press Start, X, Square, Circle, R1, X, Square, Circle, R1, Start.
Scrap Yard arena
Select the "Cheat" option at the "Setup" menu. Then, press Start, Circle, R1, Circle, R1, X2, Start. Alternately, win all survival modes to unlock the Scrapyard arena.
Fight as King Khan
Win the Top Contender Tournament.
Fight as Matador
Win the Intercontinental Tournament.
Fight as Odiva
Win the Pro Tournament.
Fight as Old Master
Win the World Championship Tournament.
Fight as Training Robot
Successfully complete training mode.
Restore energy
Rapidly press X repeatedly after getting knocked down to restore a small amount of energy and help prevent a knockout.
