While in a mission, hold down the ALT, SHIFT and CTRL keys while typing in the following cheatcodes:

• BLORB-Invincibility
• CIA-Unlimited ammo
• COLDMISER-Heat tracking
• DEI-Displays "FEIF"
• DORCS-Displays the MW2 team
• ENOLAGAY-Drops the nukes on every enemy on the battlefield
• FLYGIRL-Jump Jets
• F**K-Displays "Freebirth vulgarity will not be tolerated!"
• GANKEM-Destroys the enemy in your sight
• HANGAROUND-Stay on battlefield after mission
• ICANTHACKIT-End current mission
• IDFKA-A surprise
• LAIRDO-Displays "ATTENTION ENEMIES: Don't mess with the blimp!!"
• MEEPMEEP-Enables time compression key
• MICHELIN-Displays bouncing spheres
• MIGHTYMOUSE-Infinite jumpjet juice
• S**T-Displays "Freebirth vulgarity will not be tolerated!"
• TINKERBELL-Floating external camera
• TLOFRONT-Switches the rear camera view to front view
• UNMEEPMEEP-Disables time compression key
• XRAY-See through objects
• ZMAK-Enables time expansion