Place this string +set thereisacow 1337 +set developer 1 +set sv_cheats 1 +set monkeytoy 0 to the end of the command line in the shortcut to the Call of Duty game executable (cod.exe or something like that). Press the tilde key while playing to drop the dev-console to enter cheats.

• god - Invincibility
• give all - Get all weapons, items, and ammo
• give ammo - Refill ammo for all weapons
• noclip - Fly through walls
• notarget - Enemies ignore you

Submitted by - jbond509

• god - Invulnerability
• give health - Get full health
• notarget - Enemies will ignore you
• noclip - You can walk through walls

Submitted by - Erik L.

If the game says "sv_cheats are read only" enter setrandom sv_cheats 1 in the console before activating codes. If the game says "cheats are not enabled on this server" enter spdevmap (map name) before activating codes.

Submitted by - xnewbie

Press Tab and enter these cheats in a single player game.

• Airfield: map airfield
• Berlin: map berlin
• Brecourt: map brecourt
• Burnville: map burnville
• Carride: map carried
• Chateau: map chateau
• Dam: map dam
• Dawnville: map dawnville
• Factory Map: map factory
• Hurtgen: map hurtgen
• Pathfinder map pathfinder
• Pathfinder map pathfinder
• Pegasusday map pegasusday
• Pegasusnight map pegasusnight
• Powcamp map powcamp
• Railyard map railyard
• Redsquare map redsquare
• rocket map rocket
• sewer map sewer
• Ship: map ship
• Stalingrad: map stalingrad
• Tank drive Country: map tankdrivecountry
• Tankdrivetown: map tankdrivetown
• Trainstation: map trainstation
• Training: map training
• Truckride: map truckride