While In game press 'Enter' and enter " x" (without quotes), where x is
any of the following codes:
mpcanthurtme - God mode on/off
mpschuckit - Add weapons and ammo
mpsmithy - Full armor
mpkohler - Full ammo
mpstockpile - Full ammo (maybe with differences?)
mpbeamme - Beam player to level start with initial conditions
mpsixthsense - No clip on/off
mpicu - 3rd person mode on/off (HUD isn't visible in this mode)
mptachometer - Show speed info on/off
mpsizeme - Show size info on/off
mpgrs - Show rotation info on/off
mpgps - Show position info on/off
mpfov - Edit (with keys) FOV value
mpvertextint - Edit (with keys) vertext tint
mplightadd - Edit (with keys) light amplification
mplightscale - Edit (with keys) light scale
mpbreach - Edit (with keys) weapon breach
mpwmpos - Edit (with keys) weapon offset 1
mpwpos - Edit (with keys) weapon offset 2
mpmorph [character] - Morph into another character (see the list below)
mpdoctordoctor - Full health?
mpbunker - ?
mpreloadbutes - ?
mptriggers - ?
mpmph - ?
mpmillertime - ?
mpxfiles - ?
mpconfig - ?
mpdeathtoall - ?
Character names (use them with the mpmorph cheat):
alien, apesuit, chestburster, combatsynth, convict, drone, droppilot,
drunkardtechmale, eisenberg, exosuit, facehugger, femalelabsynth, femalelabtech,
grenadier, guard, guard1, guard2, guard3, guardofficer, harrison, hazmat,
heavypredator, laboror, lightpredator, malelabsynth, malelabtech, marine, marine
duke, mccain, meanguard, merc1, merc2, merc3, merc4, mhawkpredator, minigunner,
obrian, officer, pocguard, pocofficer, praetorian, predalien, predator,
pulseriflegirl, pulserifleguy, queen, railgunner, runner, rykov, rykovjr,
sadargunner, scientist, scientist1, scientist2, scientist3, scientistchief,
smartgunner, smuggler, tamiko