Yunyun Syndrome!? Rhythm Psychosis - Official INDIE Live Expo Announcement Trailer - Yunyun Syndrome!?: Rhythm Psychosis

Yunyun Syndrome!?: Rhythm Psychosis is a music, simulator, indie, and visual novel game releasing on PC (Microsoft Windows) on October 30, 2025. Players engage in rhythm-based challenges that influence a narrative about a reclusive protagonist whose online activities and music consumption corrupt the world. The game uniquely blends rhythm mechanics with a story exploring internet subcultures and their impact on reality, featuring a visual novel format and world transformation elements.