Call Of Duty: United Offensive PC Cheats Code

Cannot Cheat from this server fix
This trick will exploit a fatal error when applying the "+set developer 1 +set sv_cheats 1" command line parameter, if you get the "You cannot cheat on the server" message. After starting the game with that command line parameter, select a new game (or "Resume" a current game and the cheat should work). Set the level and start it. Then, save the game and exit out back to Windows.

Call Of Duty: Modern Warfare 2 PC Cheats Code

Cheat Codes
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "config.cfg" file in the "players" directory in the game folder. Add the following line to the end of the file:
seta thereisacow "1337"
You can now further modify the file by binding any of the following cheat codes to an unused key. For example, adding the following line will bind the "God mode" cheat to the "U" key:

Call Of Duty: Black Ops PC Cheats Code

Cheat Codes
Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "config.cfg" file in the "players" directory in the game folder. Change the value of the seta monkeytoy "1" line to seta monkeytoy "0". Save the file, then change its attributes to read-only. At the main menu or while playing the game, press ~ to display the console window, then type one of the following codes and press [Enter] to activate the corresponding cheat function.