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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.

Release
Apr 23, 2026
Player reviews
90% positive · 1,498 reviews
Platforms
Windows
View on Steam ↗

Catalog information from Steam. Pricing and availability can change; confirm them on the Steam store.