Since the release of the first Terminator film, the universe of the Terminator has been expanded through , , , additional , , and a . Fans all over the world have also contributed with fan fiction into various medias, but as it is not considered official they are not listed in this article. Our intention is not to decide what is canon and not. There are a huge number of products that can be considered part of the Terminator saga; some products more loyal to the original vision or to James Cameron's work than others. All are presented below as different layers of canon.