God mode
Use the following boxer name: MUHAMMAD ALI.


Dumb boxers
Use the following name for your boxer: JESSICA MELTON.


Get all boxers
Use the following boxer name: MIKE TYSON.


Enable big heads
Use the following name for your fighter: DAVID TUA.


Get all boxing arenas
Use the following fighter name: LENNOX LEWIS.


Make boxers fart
Use the following fighter name: ADAM GARDNER.


All Boxers' Life Mode
Go to the Setup menu, and proceed to the cheat menu. 
Enter the following code to open all of the boxers' life mode:
X, Square, Circle, R1, X, Square, Circle, R1.


Fat Mode
Use the following name for your boxer: RICH OBERDICK.



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.