Game Shark Codez:
 
                   
  Infinite Time             
  800C84D4 0015
                   
  Time Trial Game           
                   
  Rings                     
  800C03E2 0049
                   
  Campaign                  
                   
  Always Place First [Note] 
  800C03C4 0003
                   
  Exterminate Game          
                   
  Bugs Killed               
  800C0408 0060
                   
 Note: After you activate this code, turn the Game Shark off. Then
 before a race begins, turn the Game Shark on and off. Now you should
 imminently place first.