Microsoft today revealed that Activision Publishing Inc.’s (Nasdaq: ATVI) new Call of Duty®: World at War, Map Pack 1 set a new record for number of downloads in its first week of release on Xbox LIVE. Since the launch of the pack, Xbox LIVE members have played more than 150 million multiplayer sessions on Call of Duty: World at War, with friends and rivals joining in the action from all corners of the globe.