<P> The Call of Duty games are published and owned by Activision . While Infinity Ward is still a developer , Treyarch and Sledgehammer Games also develop several of the titles with the release of the studios ' games alternating with each other . Some games have been developed by Gray Matter Interactive , Nokia , Exakt Entertainment , Spark Unlimited , Amaze Entertainment , n - Space , Aspyr , Rebellion Developments , Ideaworks Game Studio , and nStigate Games . The games use a variety of engines , including the id Tech 3 , the Treyarch NGL , and the IW engine . </P>
<P> The Call of Duty games are published and owned by Activision . While Infinity Ward is still a developer , Treyarch and Sledgehammer Games also develop several of the titles with the release of the studios ' games alternating with each other . Some games have been developed by Gray Matter Interactive , Nokia , Exakt Entertainment , Spark Unlimited , Amaze Entertainment , n - Space , Aspyr , Rebellion Developments , Ideaworks Game Studio , and nStigate Games . The games use a variety of engines , including the id Tech 3 , the Treyarch NGL , and the IW engine . </P>
who made all the call of duty games
who made all the call of duty games
Activision
Activision