Yunyun Syndrome!? Rhythm Psychosis
“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.
Last Updated: 12/2/2025
| Release Date | 10/30/2025 |
| Developers | |
| Publishers | |
| Steam App Id | 2914150 |
Yunyun Syndrome!? Rhythm Psychosis
“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.
Last Updated: 12/2/2025
- Windows
- Mac
- Linux
About Yunyun Syndrome!? Rhythm Psychosis
Yunyun Syndrome!? Rhythm Psychosis is an Indie, Adventure, and Simulation game developed by WSS playground, Alliance Arts, and WHO YOU. On 10/30/2025, it was released on the Steam Store by Alliance Arts, and WSS playground.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, Yunyun Syndrome!? Rhythm Psychosis supports the following features:
- Single-player
- Family Sharing
Media & Sceenshots
Watch the featured video for Yunyun Syndrome!? Rhythm Psychosis and see the latest screenshots from the Steam Store.
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Yunyun Syndrome!? Rhythm Psychosis data has been sourced from:
- Valve Corporation. (2025, December 2). Yunyun Syndrome!? Rhythm Psychosis on Steam. Steam Store.
- Valve Corporation. (2025, December 2). Yunyun Syndrome!? Rhythm Psychosis. Steam Community Hub.