The development of Final Fantasy XV, a Japanese action role-playing video game, began in 2006 shortly before its announcement at that year's Electronic Entertainment Expo. Square Enix handled primary development on Final Fantasy XV, and the game was released worldwide in November 2016; the total development time covered approximately ten years. The game was originally announced as Final Fantasy Versus XIII, a PlayStation 3-exclusive spin-off title. It was part of Fabula Nova Crystallis Final Fantasy, a subseries of games linked by a common mythos: while retaining thematic links, specific references were removed to aid with marketing. Additional media was created to portray the world of XV without using sequels; dubbed the "Final Fantasy XV Universe", it included a feature film, an original