In a recent interview, Call of Duty: Modern Warfare 4's campaign directors confirmed that some of the game's levels were made using YouTube videos. More specifically, the Call of Duty: Modern Warfare 4 campaign missions set in North Korea reportedly took direct inspiration from YouTube documentaries.
In a recent interview with 4Gamer (spotted and translated by TheGamer), Call of Duty: Modern Warfare 4 narrative director Jeff Negus stated that the campaign team "relied heavily on consultants and preliminary research" when it came to creating a virtual version of North Korea, a real-world country that's known for being quite restrictive when it comes to outside visitors. Negus goes on to say this about creating accurate descriptions of North Korea in Call of Duty: Modern Warfare 4:
"The artistic aspects, especially creating the spaces and making them look realistic, were difficult. We pieced together information from YouTube documentaries and photos of the homes of people who had emigrated.
