At the main menu, select the "Additional Content" option, and choose the "Promotion Code" selection. Then, enter one of the following case-sensitive codes to activate the corresponding cheat function:
Bonus missions
Enter "6aPHuswe", "96CesuHu", or "SpujeN7x" as a case-sensitive code to unlock the "The Georgian", "The Bolivian", "Special Delivery", and "Le Fran蓷is" missions. They are available after you get a phone call by a distorted voice which tells you that you are not the first person to go after the Jackal.