Try typing some of these codes on the title screen for 
interesting results: 
 
     Code                Result 

  BLRBJSBJ    FAST FEET (run very quick)  
  RJSBJSBR    Double Rainbows             
  SSSLLRRS    Faster Rainbows             
  BJBJBJRS    Hint A (displays a hint)    
  LJLSLBLS    Hint B (another hint)       
  SJBLRJSR    Unknown - Try it.          
  LBSJRLJL    Continue on all rounds