Hidden levels
 
 Beat all the levels including the top set. Then at the level select
 screen, move up once pass the top of the screen to access an extra
 row of levels. 
 
 One player level passwords
 
                  
  Level 
  Password                          
                  
  2     
  Umbrella, Bird, Butterfly, Flower 
                  
  3     
  Face, Teapot, Bunny, Umbrella     
                  
  4     
  Bunny, Umbrella, Bird, Bird       
                  
  5     
  Flower, Umbrella, Bunny, Teapot   
                  
  6     
  Bird, Teapot, Butterfly, Butterfly
                  
  7     
  Bear, Bear, Clover, Bird          
                  
  8     
  Bunny, Teapot, Umbrella, Heart    
                  
  9     
  Clover, Butterfly, Bird, Heart    
                  
  10    
  Heart, Butterfly, Teapot, Heart   
                  
  11    
  Umbrella, Umbrella, Bird, Flower  
                  
  12    
  Flower, Teapot, Clover, Butterfly 
                  
  13    
  Heart, Umbrella, Clover, Heart    
                  
  14    
  Bunny, Face, Flower, Clover       
                  
  15    
  Bunny, Face, Bear, Bird           
                  
  16    
  Flower, Umbrella, Bird, Bunny     
                  
  17    
  Flower, Bear, Heart, Umbrella     
                  
  18    
  Face, Bird, Heart, Clover         
                  
                           Two player level passwords
 
                   
  Level 
  Password                         
                   
  2     
  Butterfly, Umbrella, Bear, Heart 
                   
  3     
  Bear, Bunny, Flower, Clover      
                   
  4     
  Umbrella, Heart, Clover, Flower  
                   
  5     
  Umbrella, Bear, Bunny, Heart     
                   
  6     
  Teapot, Bird, Butterfly, Flower  
                   
  7     
  Heart, Flower, Clover, Butterfly 
                   
  8     
  Heart, Bear, Bunny, Heart        
                   
  9     
  Bear, Bunny, Clover, Flower      
                   
  10    
  Butterfly, Face, Umbrella, Clover
                   
  11    
  Bear, Flower, Face, Flower       
                   
  12    
  Teapot, Bear, Flower, Umbrella   
                   
  13    
  Heart, Bird, Flower, Clover      
                   
  14    
  Face, Bird, Clover, Teapot       
                   
  15    
  Teapot, Bird, Clover, Bear       
                   
  16    
  Umbrella, Teapot, Bird, Flower   
                   
  17    
  Face, Bear, Bunny, Flower        
                   
  18    
  Bunny, Heart, Flower, Bird       
                   
  Game Shark Codez:
 
                       
  Infinite Fuel   
  80082016 013F 
  800EC21A 002C 
                       
  Infinite Ammo   
  80082030 0095 
  800EC236 0026 
  80082040 0032 
                       
  Infinite Energy 
  80082022 8000 
                       
  Infinite Lives  
  800A3CDC 0303 
  800A3CDE 0303 
                       
  Drive in Water  
  80082044 67DC