Press [esc] and type in the codes that you want
TRIUMPH win immediatly
OMNISCENT toggle between regular and full overhead view
PYROMANCER toggle between right button explosion
AEROBALLISTICS add full air support
INVULNERABLE makes sergent invulnerable
PARALYSIS stops enemies dead
TELEKINESIS teleport stage
PLETHORA full ammo
OCCULTATION stealth mode
KAHUNA add explosions/omniscience/and invulnerability