“Yunyun Syndrome!? Rhythm Psychosis” is a rhythm adventure game about a psychotic hikikomori girl - also an avid anonymous poster - who corrupts the world with her severe brain rot from listening to too many denpa songs. Yunyun all over this ♡♡♡♡ world with your degen otaku-posting.
Developer: Alliance Arts WHO YOU
Publisher: Alliance Arts
Genres: Adventure Indie Simulation
Tags: 2D Adventure Anime Casual Choices Matter Cute Female Protagonist Funny Immersive Sim Indie LGBTQ+ Multiple Endings Music Psychological Psychological Horror Rhythm Simulation Singleplayer Story Rich Visual Novel
Release Date: Oct. 30, 2025
Reviews: 0
Platforms: Windows
Languages: English, Simplified Chinese, Japanese*, Traditional Chinese, Korean<br>*languages with full audio support
Steam Achievements: None
Yunyun Syndrome!? Rhythm Psychosis on Steam
Categories: Family Sharing Single-player
AppID: 2914150 (game) - 6 Screenshots, 2 Videos on store page.
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