Beatmania IIDX 15: DJ Troopers

Beatmania IIDX (Japanese: ビートマニア ツーディーエックス, Hepburn: Bītomania Tsū Di Ekkusu) (IIDX) is a series of rhythm video games, that was first released by Konami in Japan on 26 February 1999. Beatmania IIDX has since spawned 33 arcade releases and 14 console releases on the Sony PlayStation 2. It is the sequel to the beatmania game series, and is part of the Bemani line of music games. Initially conceived and developed as a sequel to Beatmania, Konami released Beatmania IIDX in Japan in 1999.