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.

Verified 2026-10-22 from Steam

Store

Steam

Price

$16.99

Mac

No native Mac version on Steam

Platforms

windows

Reviews

Very Positive: 90% of 1,547

Release

Apr 23, 2026

Developer

Alliance Arts, WHO YOU

Tags

Rhythm, Psychological Horror, Anime, Cute, Music, Visual Novel, Multiple Endings

Minimum:
OS: Windows 10, 11 (64bit)
Processor: Core™ i5-9400
Memory: 8 GB RAM
Graphics: GeForce® GTX 1050 Ti 4GB
Storage: 3 GB available space