Call of Duty 4: Modern Warfare Unlock Arcade and Cheat Modes: Complete the single player campaign mode to unlock Arcade mode and the Cheats menu. The cheat menu will be available from the in-game pause menu. Hidden Mission: Sit through the credits at the end of the game and there will be an extra mission available. Call of Duty 4 Cheat Codes: Enable the console from the in-game options. Hit (~) to drop the dev-console. Type seta thereisacow "1337" and then press ENTER Type spdevmap bog_a and press ENTER Exit out and load the level you are currently at, or a new game. You can not select "resume" and have the cheats function you can however select the map/act you want to start at with the cheats enabled. Code                                    Effect give all Access All Weapons cg_LaserForceOn 1 Add Laser Sights to ALL Weapons jump_height # Adjust Gravity Default = 39 timescale # Adjust Time Default = 1.00 r_fullbright Easier to see things notarget Enemies Ignore You give ammo Full Ammo god God Mode demigod God mode but screen still shakes noclip No Clipping Mode cg_drawGun Removes Your Gun ufo Same as noclip? cg_fov Zoom with any Gun Unlock Gold Weapons for Multiplayer These are just skins, they do not make the weapon any more powerful or upgrade it. Unlockable                    How to Unlock Golden AK47 (Assault Rifle) Complete all the headshot challenges for all the weapons in the Assault Rifle weapon class. Golden Auto Shotgun (Shotgun) Complete all the headshot challenges for all the weapons in the Shotgun weapon class. Golden Deagle (Handgun) Complete all the headshot challenges for all the weapons in the Handgun weapon class. Golden M60 (Light Machine Gun) Complete all the headshot challenges for all the weapons in the Light Machine Gun weapon class. Golden Mini-Uzi (Sub-Machine Gun) Complete all the headshot challenges for all the weapons in the Sub-Machine Gun weapon class. Golden SVD (Sniper Rifles) Complete all the headshot challenges for all the weapons in the Handgun weapon class.