| Code | Effect |
|---|
| <cheat> mpcanthurtme | Toggle invincibility |
| <cheat> mpschuckit | All weapons and ammo |
| <cheat> mpsmithy | Full armor |
| <cheat> mpkohler | Full ammunition |
| <cheat> mpstockpile | Full ammunition |
| <cheat> mpbunker | Unlimited ammunition |
| <cheat> mpxfiles | Level select for all three species |
| <cheat> mpbeamme | Teleport to level start with default conditions |
| <cheat> mpdoctordoctor <number> | Set health to indicated number |
| <cheat> mpmorph <character type> | Change into indicated character type |
| <cheat> mpsixthsense | Toggle no clipping |
| <cheat> mpicu | Toggle third person view |
| <cheat> mptachometer | Toggle speed display |
| <cheat> mpsizeme | Toggle size display |
| <cheat> mpgrs | Toggle rotation display |
| <cheat> mpgps | Show position info on/off |
| <cheat> mpfov | Use keys to edit FOV value |
| <cheat> mpvertextint | Use keys to edit vertext tint |
| <cheat> mplightadd | Use keys to edit light amplification |
| <cheat> mplightscale | Use keys to edit light scale |
| <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 |
| <cheat> mpmillertime | Marines have slurred voice |
| <cheat> mpreloadbutes | Unknown |
| <cheat> mptriggers | Unknown |
| <cheat> mpmph | Unknown |
| <cheat> mpconfig | Unknown |
| <cheat> mpdeathtoall | Unknown |