Enable the console from the game's in-game options. Hit the tilde key (~) to drop the dev-console. Type seta thereisacow "1337" and then press ENTER. Type spdevmap bog_a and then press ENTER. This will start the demo with cheats enabled. When playing, drop down the dev-console and enter the following codes and hit ENTER to activate or toggle them. give all: Access All Weapons god: God Mode noclip: No Clipping Mode notarget: Enemies Ignore You give ammo: Full Ammo jump_height #: Adjust Gravity (Default = 39) timescale #: Adjust Time (Default = 1.00) cg_LaserForceOn 1: Add Laser Sight to All Weapons