Slap Happy Rhythm Busters, released exclusively in Japan for Sony PlayStation, merges rhythm-based piano gameplay with narrative-driven adventure elements. Part of the “Slap Happy Rhythm” series, it tasks players with guiding protagonist Max Blake through a story intertwined with piano battles and platforming challenges. As a music game, its primary focus is on timing-based note matching, akin to the *PaRappa the Rapper* series, but distinguishes itself through its blend of storytelling and environmental navigation. Players progress by completing rhythm segments while exploring levels that combine dungeon-crawling aesthetics with piano mechanics, such as striking objects or solving puzzles in sync with music.