Press the tilde “~” and enter:
Postworld: Cheat Codes Free Download
God – immortality (just keep in mind that the code must be re-entered every time the location is loaded)
Ghost – invisibility (just keep in mind that the code must be re-entered every time the location is loaded)
Unfortunately, nothing else has been found yet (((
If the codes do not work for you, try entering EnableCheat and then the codes. It’s just that on some versions of the game, codes are automatically enabled..