Cheat: cg_fov - Lets you zoom with any gun
Cheat: cg_drawGun - Get rid of your gun
Cheat: r_fullbright - Easier to see stuff this way!
Cheat: demigod - God mode but your screen still shakes
Cheat: give
Cheat: cg_LaserForceOn 1: Add Laser Sight to All Weapons
Cheat: timescale : Adjust Time (Default = 1.00)
Cheat: jump_height : Adjust Gravity (Default = 39)
Cheat: give ammo: Full Ammo
Cheat: ufo: No Clipping Mode
Cheat: Noclip: No Clipping Mode.
Cheat: God: God Mode.
Cheat: Give all: Access All Weapons.