Invincibility (PAL version):
Press Y, A, X, B, X, Right during game play. A message will appear at the top of 
the screen to confirm correct code entry. Repeat the code to disable its effect. 

Resurrect:
Press Up, Down, Black, White during game play. A message will appear at the top 
of the screen to confirm correct code entry. Repeat the code to disable its effect. 

Submachine gun, miscellaneous items:
Press Y, A, X, B, Y, Up during game play. A message will appear at the top of the 
screen to confirm correct code entry. Repeat the code to disable its effect.

Sniper, miscellaneous items:
Press Y, A, X, B, Y, Right during game play. A message will appear at the top of 
the screen to confirm correct code entry. Repeat the code to disable its effect.

Rocket launcher, miscellaneous items:
Press Y, A, X, B, Y, Left during game play. A message will appear at the top of the 
screen to confirm correct code entry. Repeat the code to disable its effect.

Heavy machine gun, miscellaneous items: 
Press Y, A, X, B, Y, Down during game play. A message will appear at the top of 
the screen to confirm correct code entry. Repeat the code to disable its effect.

Shotgun, miscellaneous items:
Press Y, A, X, B(2), Up during game play. A message will appear at the top of the 
screen to confirm correct code entry. Repeat the code to disable its effect. 

Nail gun:
Press Y, A, X, B, A, Left during game play. A message will appear at the top of the 
screen to confirm correct code entry. Repeat the code to disable its effect. 

Unlimited ammunition:
Press Y, A, X, B, A, Right during game play. A message will appear at the top of 
the screen to confirm correct code entry. Repeat the code to disable its effect.

Cycle through spawn points:
Press Y, A, X, B, A, Up during game play. A message will appear at the top of the 
screen to confirm correct code entry. Repeat the code to disable its effect. 

Maximum charisma:
Press Y, A, X, B, A, Down during game play. A message will appear at the top of 
the screen to confirm correct code entry. Repeat the code to disable its effect. 

Invisibility:
Press Y, A, X, B(2), Left during game play. A message will appear at the top of the 
screen to confirm correct code entry. Repeat the code to disable its effect. 

Slow motion:
Press Y, A, X, B(2), Right during game play. A message will appear at the top of 
the screen to confirm correct code entry. Repeat the code to disable its effect. 

Fast motion:
Press Y, A, X, B(2), Down during game play. A message will appear at the top of 
the screen to confirm correct code entry. Repeat the code to disable its effect. 

Flymo ragdolls:
Press Y, A, X, B, X, Up during game play. A message will appear at the top of the 
screen to confirm correct code entry. Repeat the code to disable its effect.