User blog comment:Chiafriend12/Upcoming Call of Duty quiz — Submit questions!/@comment-5524047-20120806175725

Which was the first game to start using cutscenes, not diary entries, to further the story? Aside from the IW Engine, what are the other two engines used in Call of Duty'games called? What is the name of the Call of Duty series' only expansion pack> Alexei Voronin transferred to which unit to participate in the Oder River offensive? Which member of AC/DC voiced a character in Finest Hour? Whose name is seen throughout the Modern Warfare series on shipping containers, blimps, and skyscraper signs?