THE IDOLM@STER (アイドルマスター,Aidorumasutaa) is a multimedia franchise that started out asan arcade game on July 25, 2005, and latera Xbox 360 port on January 25, 2007. Since then the franchise has expanded to include a largediscography,games on multiple platforms, spinoffs, and variousanime,manga, andlight novel adaptations.