# All boxers

At the "Setup" menu, select the "Cheat" option, then press X, Circle, Square(2), R1(2), Square, Circle, X to unlock all boxers.
# Invincibility

At the "Setup" menu, select the "Cheat" option, then press Start, X(2), Circle(2), R1(2), Square(2), Start. Note: This code can be enabled on controller one for player one or controller two for player two.
# Turbo mode

At the "Setup" menu, select the "Cheat" option, then press Start, R1(10), Start.
# Constant power-ups

At the "Setup" menu, select the "Cheat" option, then press Start, X, Circle, X, Circle, X, Circle, Square(3), Start. Note: This code can be enabled on controller one for player one or controller two for player two.
# Conversation mode

At the "Setup" menu, select the "Cheat" option, then press Start, R1, X, Circle, Square, R1(3), Start.
# Intercontinental Tournament

At the "Setup" menu, select the "Cheat" option, then press X(3), Circle(3), Square(3). Alternately, win all five default tournaments to unlock the Intercontinental Tournament.
# Alternate costumes

At the "Setup" menu, select the "Cheat" option, then press X, R1, Circle, Square. Alternately, successfully complete Life mode with a boxer to unlock a new costume for that character.
# All boxer's Life mode

At the "Setup" menu, select the "Cheat" option, then press X, Square, Circle, R1, X, Square, Circle, R1.
# Scrap Yard arena

At the "Setup" menu, select the "Cheat" option, then press Circle, R1, Circle, R1, X(2). Alternately, win all survival modes to unlock the Scrapyard arena.
# Play as King Khan

Win the Top Contender Tournament to unlock King Khan.
# Play as Matador

Win the Intercontinental Tournament to unlock Matador.
# Play as Odiva

Win the Pro Tournament to unlock Odiva.
# Play as Old Master

Win the World Championship Tournament to unlock Old Master.
# Play as Training Robot

Successfully complete training mode to unlock the Training Robot.
# Restore energy

After getting knocked, rapidly and repeatedly press X down to restore a small amount of energy and help prevent a knockout.