 Additional downloadable content ( DLC ) has been released , with more announced , since the game 's launch . Expansions include new maps , weapon upgrades and character customization options . The DualShock 3 controller became compatible with the game upon the release of the version 1 @.@ 20 patch . Incognito has stated that any future development on the incomplete single player campaign would only be released as a separate product , and not as an expansion to the current game . Warhawk updates are free , but expansion packs are sold online for a price . Updates are mandatory installations that must be completed in order to play the game . Expansion packs are optional , and the ability to purchase expansion packs is available within the menu of the game itself , as well as through the PlayStation Store . 
