Press T to get the chat box then enter a code below. Press enter to activate the code:

All weapons sub-routines, full health, full energy - mpkfa
Full ammunition for weapon sub-routines - mpammo
Full health - mphealth
God mode - mpgod
Level skip mpmaphole
Unlimited ammunition and all weapon sub-routines - mptears
Sent in by Fulani2040

Code Effect

mpguns All guns
mptears All weapons, full health and energy. Only gives weapons that are available in level.
mparmor full armor
mppos Show position
mpnextmission skips the entire mission
mprosebud spawns a tiny silver briefcase (its from NOLF