When you get to the purple dragon, type "DIE" and he will drop a
        purple key.  Take the key to Marvo and he will give you a cheat mode
        in return.
        
        Typing "BLOOD" makes Mortal Kombat-style blood fly out of your
        enemies.
        
        Typing "SUN" makes the sun wink at you.
        
        Typing "WHAT A CROC" makes Dibble shout, when you do something dumb.