Type during game:
 ETGOD - God mode on/off
 ETSTUFF - Got all the stuff you need
 ETFLY - Got Wings, Chicken/Fly mode off
 ETWIN - End current level and go to next level
 ETDRONE - Battledrone/Upgrade
 ETSCAN - Display map on/off
 ETALIEN - Play as Alien
 ETRESTART - Restart current level
 ETRAIN - Play in a rain storm
 ETMAPS - Check user maps menu
 ETCAT - A cat runs off
 ETPULL - Throws a cat
 ETBOOM - DEATHWISH?