The official Call of Duty blog states that Modern Warfare 2 will require 72 GB of space at launch. However, Campaign Early Access through Battle.net players can preload it after downloading 34.6GB. For Steam users, the preload download size is 29.9GB. Call of Duty: Modern Warfare 2 Guide. Party Size: 1 - 6; Free For All. this is the fastest of all game modes within Modern Warefare 2. A remaster of the game’s campaign, Call of Duty: Modern Warfare 2 Campaign Remastered, was released in March 2020 on the PlayStation 4 and on Microsoft Windows and Xbox One in April 2020. CALL OF DUTY MODERN WARFARE 2 MINIMUM SYSTEM REQUIREMENTS 5SkMNp.