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.

Developer: Alliance Arts.

Tags: Solo, Rhythm, Psychological Horror, Anime.

Steam reviews: Very Positive (91% of 3,847).

Price: $16.99.

Released 2026-04-23.

Last updated 2026-06-30.

Yunyun Syndrome!? Rhythm Psychosis on Game Goose · Steam store page

Find more PC games on Game Goose.