Press T during game play to display the chat
window. Enter one of the following codes then press [Enter]
to activate the corresponding cheat function.

Code
All weapons sub-routines, full health, full energy
mpkfa
Unlimited ammunition and all weapon sub-routines
mptears
Full health mphealth
God mode mpgod
Level skip mpmaphole
Full ammunition for weapon sub-routines
mpammo
Published strategy guides