Call of Duty is a video game . The series began on , and later expanded to and . Several games have been released. The earlier games in the series are set primarily in , including , , and . Beginning with , which is set in modern times, the series has shifted focus away from World War II. Modern Warfare, released November 2007, was followed by and . , released November 2010, takes place in the , while , released November 2011, takes place in a near-future setting. , released November 2012, takes place mainly in the year 2025. was released in November 2013. In May 2014, was announced. On April 9, 2015, Treyarch announced .
The Call of Duty games are published and owned by . While is still a developer, and also develop several of the titles with the release of the studios' games alternating with each other. Some games have been developed by , , , , , , , , , and . The games use a variety of , including the , the Treyarch NGL, and the .
As of April 2015, the Call of Duty series has sold over 175 million copies. Sales of all Call of Duty games topped 10 billion.
Other products in the franchise include a line of designed by Plan-B Toys, a created by , Mega bloks sets by , and a mini-series published by .
