Cheat mode:
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "config.cfg" file in the game folder. Add the following line to that file to enable cheat mode.

KEY "cheats" BOOL TRUE

Note: In order to generate the config.cfg file, you must run,

OUR RATING FOR THIS GAME: 

(5 is best)