Codes
FWMIGA Full weapons and ammo
FWMARIT Full health and oxygen
FWMITHRA Invincibility
FWKITTY Invisibility
FWWARP Skip to different missions - type FWWARP## from 00 to 17
FWIGIVEUP Skip to the next mission
FWBERT Jetpack - press J to turn on/off, Z to fly
FWBARNEY Frame rate counter
P & S Press simultaneously to capture a screen shot in 16-bit TGA format
