“Rank up Your Game” is an online code-based sweepstakes promotion where fans can enter a code found on specially marked Mountain Dewand Doritosproduct {link no longer active} to earn XP minutes and to enter for a chance to win prizes. To play, go to www.dewxp.com and follow the online directions to sign-in or register. Each time an eligible individual logs onto the Website using their e-mail address and enters a Code, the Participant will automatically receive the amount of XP minutes associated with their Code and will receive one Prize Entry good for one entry into one sweepstakes drawing of their choice. Each time a valid Double XP code is entered, fans will also receive a Call of Duty: Modern Warfare 3 Combat Card featuring special content, such as new weapons, characters, maps, perks and strike packages. There are 15 Combat Cards overall (3 individual sets of five cards each) with bonuses for completion of a single set and all three sets. To help spread the word and facilitate trade requests, post the unique URL you see on your combat cards page on Facebook, Twitter, online message boards and even via email. Note: registered users can only request cards they don’t already have. When a trade offer goes through, you will drop the card offered and pick up the card requested.