In September 2004, an extension pack called Call of Duty: United Offensive, which was formed by Activision and developed by Gray Matter Interactive and Pi Studios, was published. Much of perpetuity Ward’s development team consisted of members who help develop Medal of tribute: Allied Assault. This lead to a greater emphasis on squadron-based play as opposite to the “lone wolf” approach often portray in earlier original-person shooter games. The game introduces a new catch on AI-controlled allies who hold up the player during missions and react to situational modify during gameplay. A large amount of its theme and gameplay is alike to the Medal of Honor series, on the other hand Call of Duty showcases numerous viewpoints staged in the British, American, and Soviet theaters of World War II. The game imitates infantry and mutual arms warfare of World War II using a customized version of the id Tech 3 engine build for Quake III: Team Arena.
It is the first of several installments in the Call of Duty charter. Call of Duty 1 Pc Game is a 2003 initial-person shooter video game developed by Infinity Ward and published or released by Activision.