Various cheats
     While  playing, press t to enable multiplayer chat, then type the
cheat and hit ENTER.

Cheat code:             Effect:
mpkfa                   All weapons, full health, full energy.
mptears                 Repeat effect of above cheat.
mphealth                Restores full health.
mpammo                  Full energy
mparmor                 full armor
mpmaphole               Level Skip
mpgod                   God Mode
mppos                   Show position
mpguns                  All guns
mprosebud               Spawns a tiny silver briefcase (its from NOLF)
mpnextmission           AXskips the entire mission