Steam 24H Peak
462
All-Time Peak
3,285
Set Apr 24, 2026
Live on Twitch
30
7-Day Twitch Avg
205
Avg Daily Peak
Steam ReviewsBASED ON 3,399 RATINGS
91%
Very Positive
Critic ScoreN/A
Live Data Snapshot · Jun 23, 2026, 1:32 PM
Scale
Hourly peak Steam players
↓12.9%24H TREND
About 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.
Yunyun Syndrome!? Rhythm Psychosis has 397 concurrent players on Steam right now, with an all-time peak of 3.3k players set on Apr 24, 2026. Reviews stand at 91% positive across 3.4k ratings (Very Positive), developed by Alliance Arts, WHO YOU.
Released · Apr 23, 2026
Recent updates
Current price
$13.59
USD
$16.99
−20% off
