Activision has unveiled a new 9-minute campaign gameplay video for Call of Duty: Modern Warfare 3. The video previews some of the game's functionalities before its official release on November 10th. The company has also disclosed plans to display multiplayer gameplay on October 5th at the Call of Duty Next event, with a subsequent beta version rolling out on October 6th. Sledgehammer Games and Infinity Ward have jointly developed Call of Duty: Modern Warfare 3, while Treyarch is responsible for the development of the Zombies mode. Activision elaborated on the "Open Combat Missions", characterizing them as supplementary to the main cinematic missions, providing players with a wider range of strategic options for mission execution.