| App Type | game |
| Release Date | Apr 23, 2026 |
| Details Last Modified | April 27, 2026 (5 months ago) |
| Developer | Alliance Arts, WHO YOU |
| Publisher | Alliance Arts |
| Genres | Adventure, Indie, Simulation |
| Supported Systems |
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| Windows |
| Price | $16.99 |
| Required Age | 0+ |
| Recommendations | 1,232 |
| Achievements | 49 |
| DLC Available | 7 |
| Packages | 1 |
| Support Email | support@alliance-arts.co.jp |
“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.
Family Sharing
Single-player
Steam Achievements
Steam Cloud
Steam Leaderboards