While playing the game, press the Key "9" to access the
console and then type the following codes and Press ENTER.

Code         Result
-------------------
MPGOD      - God Mode.
MPHEALTH   - Full Health.
MPKFA      - All Weapons/Ammo.
MPMAPHOLE  - Skip Level.
MPGUNS     - All Guns.
MPAMMO     - All Ammo.