First person mode
 
 Pause the game, then hold L and press Y, B, Y, B. Repeat the code 
 to disable its effect.  
 
 
 Turbo mode
 
 Pause the game, then hold L and press Y, B, X(2). Repeat the code 
 to disable its effect.  
 
 
 Welsh mode
 
 Pause the game, then hold L and press Y(4). Repeat the code to disable 
 its effect.  
 
 
 Enable "Real Controls"
 
 Pause the game, then hold L and press Y(3), B. Repeat the code to 
 disable its effect.  
 
 
 Squeaky voices
 
 Pause the game, then hold L and press Y, X, Y(2). Repeat the code 
 to disable its effect.