Before entering any cheat, you must enter the master code: GONZOANDJON
After that enter the below:
_Invinciblility (infinite health): hold Ctrl then press I.
_Invisble: hold Ctrl then press V
_Teleport: move the cursor where you want to place your commando(s)then hold Shift then press X
If you have any trouble, just email me K_I_D_1412@hotmail.com