Single Player Codes:
During gameplay, press CTRL+SHIFT+S to bring up the game settings menu. First, type " cheat allowcheats" (no quotation marks) and press enter to enable cheats. Then, enter the following codes onto the dialogue box of that window to activate the corresponding cheats:
CHEAT CODE - CHEAT FUNCTION
cheat allowcheats - Enables Cheats.
cheat allunit - Allows you to build any unit, even if you haven't researched it.
cheat breakground - Instant contruction of facilities.
cheat e=mc2 - Causes research to be completed in one day. Espionage succes rates increase as well.
cheat endday - Prevents the computer from doing some daily calculations (such as "spotting"). Using this cheat will increase game speed.
cheat georgew - Adds $10 billion to treasury.
cheat instantwin - Makes you instantly win the game.
cheat nomove - Prevents units from moving.
cheat onedaybuild - All units set to be constructed will be completed the next day. However, this also applies to the AI and can slow down the game.
cheat saddam - Random AI country will declare war on another random AI country.
cheat saddme - Random AI country will declare war on the player.
cheat shelovesme - Increases your country's relationship with the UN to max level.
cheat shelovesmenot - Decreases your country's relationship with the UN to minimum level.