Press [Enter] during game play, type one of the following codes:
| Code: | Result: |
| <cheat> mpschuckit | All weapons and ammo |
| <cheat> mpmorph <character type> | Change into indicated character type |
| <cheat> mpkohler | Full ammunition |
| <cheat> mpstockpile | Full ammunition |
| <cheat> mpsmithy | Full armor |
| <cheat> mpdeathtoall | Kill everything except your character |
| <cheat> mpxfiles | Level select for all three species |
| <cheat> mpmillertime | Marines have slurred voice |
| <cheat> mpdoctordoctor <number> | Set health to indicated number |
| <cheat> mpgps | Show position info on/off |
| <cheat> mpbeamme | Teleport to level start with default conditions |
| <cheat> mpcanthurtme | Toggle invincibility |
| <cheat> mpsixthsense | Toggle no clipping |
| <cheat> mpgrs | Toggle rotation display |
| <cheat> mpsizeme | Toggle size display |
| <cheat> mpicu | Toggle third person view |
| <cheat> mpbunker | Unlimited ammunition |
| <cheat> mpfov | Use keys to edit FOV value |
| <cheat> mplightadd | Use keys to edit light amplification |
| <cheat> mplightscale | Use keys to edit light scale |
| <cheat> mpvertextint | Use keys to edit vertext tint |
| <cheat> mpbreach | Use keys to edit weapon breach |
| <cheat> mpwmpos | Use keys to edit weapon offset 1 |
| <cheat> mpwpos | Use keys to edit weapon offset 2 |
Use one of the following entries with the <cheat> mpmorph code.
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
This trick will cause an Alien to follow you a short distance, and usually turn its back and appear to watch for enemies. Enter a level that has Aliens. It can be any level, even a non-Alien one, as long as you use a mpmorph code to turn into an Alien. When you get to a point where there us not a combat situation and there is an Alien around, get near it. Use your Claw attack on the ground. Try not to hurt the Alien, then quickly run or walk backwards to make sure the Alien is following you. This strategy is not foolproof. Note: Some Aliens, especially in the Alien Campaign levels, seem to have a limited "territory." Also, sometimes in the Marine levels an Alien will follow you and end up standing in the steam and kill itself. Also, an Alien on the ground will not follow you onto the ceiling; it will stand by the wall.
Quick minigun fireIn single player or multi-player mode, select the minigun and press [Secondary Fire]. The minigun will "warm up" and constantly spin the barrels until press [Secondary Fire] again or switch to another weapon. While this feature is active, the minigun will fire immediately after pressing [Fire] -- it no longer needs to "spin up" or "spin down", and will also fire more accurately. Using this technique will allow you to easily wipe out the Praetorian Aliens or Assault Predators. Note: In multi-player mode, only the Corporate AT officer can use the minigun as a set weapon, and they are very rare weapons in a normal multi-player game.
Strange guard voicesEnable the <cheat> mpmillertime code and go to any level. Go near a guard and he will have a high voice and sounded as if he is drunk.
