Activision and Infinity Ward have released an update for their popular WWII shooter, Call of Duty. Besides the upgrades found in the 1.2, 1.3 beta, and 1.3 patches, the 30.5MB update contains PunkBuster anticheat software. In addition, the update--which is available on GameSpot DLX--has a new multiplayer map set during the Battle of Stalingrad.