Game Shark Codez:
 
                             North American Version
 
     
  Infinite Credits                                    
  811C481A FFFF
     
  Infinite Spiked Mines                               
  8009E118 0006
     
  Infinite Zombie Zapper                              
  8009E1C0 0006
     
  Infinite Car Zapper                                 
  8009E1A8 0006
     
  Infinite Green Guy                                  
  8009E161 0006
     
  Infinite Turbo                                      
  8009E131 0006
     
  Infinite Jumping Guy                                
  8009E149 0006
     
  Infinite Hover Jump                                 
  8009E179 0006
     
  All Zombies Destroyed (Quickly Beat Level)          
  8009AC47 0050
     
  All Cars Destroyed (You Do Not Get The Car However) 
  801C496B 0003
     
  Always on Lap Modifier (04 For Last Lap)            
  801C47EB 00??
     
  Start on Lap Modifier (04 For Last Lap)             
  D01C47EB 0001
  801C47EB 00??
     
                      European and Australian (PAL) Version
 
                     
  Infinite Credits      
  801BE29A FFFF
                     
  Always Place First    
  801BE282 0003
                     
  Stop Game Timer       
  811BE21E 16ED
                     
  All Zombies Destroyed 
  80094BEE 0064