Add the following command(s) to your settings.ini in the gamedir,
where 1=enabled & 0=disabled. We've also included an EXAMPLE.ini for reference.
For GODMODE simply add (WITHOUT the quotes):
"instagib = 1"
NOTE: Here is an additional list with unknown/useless triggers, activation/deactivation same as above.
goreOverride - Enable/Disable Gore
HUD - Enable/Disable HUD
smartbomb - ?
weakThrax - ?
audio - ?
music - ?
FMVmusic - ?
showFMV - ?
screenText - ?
fullscreen - ?