Call of Duty is published by an American video game publisher.
 Today, video game development requires numerous skills to bring a game to market, including developers, publishers, distributors, retailers, console and other third-party manufacturers, and other roles
 Due to loss of publishing control and oversaturation of the market, the North American home video game market crashed in 1983, dropping from revenues of around $3 billion in 1983 to $100 million by 1985

