Beatmania IIDX 15 DJ Troopers is a multiplayer rhythm game in which players interact with a set of seven piano keys and a turntable to match scrolling notes and produce music. In this game, players experience a vibrant arcade setting with a collection of over 90 tracks, mainly from the arcade version, offering a diverse musical experience. It stands out with its variety of game modes including Arcade, Expert, Class, Beginner's, Free, Training, and Gallery, along with support for online score rankings and custom arcade courses, providing advanced gameplay customization and competitive features.