Shareware or Registered:
    GABBAGABBAHEY = Cheats enabled!
    SCOURGE       = WowieZowie Weapons!
    MITZI         = All Keys!
    RACERX        = Invulnerability On/Off!
    GUILE         = Cloak On/Off!
    TWILIGHT      = Shields Recharged!
    FARMERJOE     = Warp to Which Level?
    ALT-F         = Show full map
    ASTRAL        = Ghosty mode (only in 1.4)
 Registered only:
    BIGRED        = Super WowieZowie Weapons!
    BUGGIN        = Turbo Mode
    BRUIN         = Extra Life
    FLASH         = Exit Path Illuminated!
    AHIMSA        = Robot Firing On/Off!
 From version 1.4:
    POBOYS        = Blow reactor
    PORGYS        = Mega-Wowie-Zowie
    LUNACY        = Robots move fast, fire seldom
    PLETCHxxx     = Robot painting with texture xxx (001-999)
 From version 1.4a:
    BIOPSYTOYS    = Blows the reactor immediately