Start the game, go into the options, then select 'Custom Maps'. Cut and paste the file back into the 'Maps' folder. Rename the map and put 'cus' before the name. Select a map file in the 'maps' folder in the game directory (for example, 'LowerParadise'). Whatchutalkinbout - Bystanders Into Gary Coleman IAmSoLame - All Weapons, Ammo, Invisibility
Press the and the key or the key (on some systems) to make the console window appear.
