GamesYunyun Syndrome!?: Rhythm Psychosis
Yunyun Syndrome!?: Rhythm Psychosis poster
Released Apr 23, 2026

Yunyun Syndrome!?: Rhythm Psychosis

2026 · Music, Simulator
WSS playground · PC

“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.

Real Score
86
Broadly loved
from 548 reactions
very high confidence
79% positive14% mixed7% negative
→ SteadyTrend
1Platform

What people are saying

Updated nightly
The Real Review

People mostly love this rhythm adventure about a psychotic hikikomori corrupting the world with brain rot, praising the unique story and the addictive rhythm gameplay that makes it easy to get hooked. The presentation is a huge hit, with the vibrant graphics and the denpa song soundtrack getting constant praise, and the main character Yunyun is a clear fan favorite. The main downside is technical, as performance issues like crashes and bugs come up regularly, especially on PC platforms like Steam, and the developer WSS playground is frequently criticized for these problems. It's a solid package for the price if you're into the very specific vibe, but be ready for some jank.

Synthesized from 548 real reactions · very high confidenceGraphicsGameplayStoryValueDifficultyPerformance

Sentiment split

Every qualifying reaction, weighted.

79%positive
  • Positive79%
  • Mixed14%
  • Negative7%

By aspect

What people scored, piece by piece.

graphics96
multiplayer93
gameplay83
story81
value71
difficulty51
performance46

How opinion moved

The Real Score, night by night.

848688Oct 2468108686

Buzz

35 reactions over two weeks, counted by the day they were posted.

0510Sep 26: 2 reactionsSep 26Sep 27: 1 reactionSep 28: 1 reaction28Sep 29: 0 reactionsSep 30: 1 reaction30Oct 1: 4 reactionsOct 2: 1 reaction2Oct 3: 3 reactionsOct 4: 2 reactions4Oct 5: 3 reactionsOct 6: 3 reactions6Oct 7: 1 reactionOct 8: 2 reactions8Oct 9: 9 reactions9

Where the signal came from

Volume and platform mix only.

Steam344
Social Media204

Every figure on this page is analysis output from public posts and reviews.

We show volume and platform mix, not posts. No comment text is stored or displayed.

Names and topics that came up

Mentions across all reactions, with the share that were positive. Anything mentioned fewer than twice never shapes the review.

WSS playgrounddeveloper167×8%+
Yunyuncharacter89×93%+
Yunyun Syndrome!? Rhythm Psychosisfeature41×63%+
PCplatform30×10%+
Steamplatform28×4%+
denpa songsfeature25×76%+
Qtiecharacter24×88%+
Twitchplatform20×0%+
YouTubeplatform12×0%+
Denpafeature9×89%+
Yunyunfeature7×57%+
Alliance Artsdeveloper6×17%+
rhythm gameplayfeature6×100%+
English translationfeature6×50%+
denpa musicfeature5×80%+

Trailer and screenshots

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