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Indie

Yunyun Syndrome!? Rhythm Psychosis

91% positive of 4,067 Steam reviews

View on Steam
Released
2026
Steam Deck
Playable
Platforms
Steam

Made by Alliance Arts, WHO YOU. Published by Alliance Arts.

About the game

“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.

Tagged by players

  • Rhythm
  • Music
  • Psychological Horror
  • Anime
  • Visual Novel
  • Multiple Endings
  • Psychological
  • Female Protagonist
  • Cute
  • LGBTQ+
  • Immersive Sim
  • Simulation

What players say

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Very Positive

What players say

  • Recommended
    A rhythm game, where you have to hit 4 different keys to the beat of the song playing, as usual. The story is very chaotic. It's all about internet conspiracies and the hikikomori lifestyle. At least the 2 characters are fun, and the visuals are nice. The translation is not the best, but it's enough to understand most of it. Progressing this game is also a bit confusing, and so is getting all achievements. The song…

    30 h played when written. 8 found it helpful.

    Read on Steam
  • Recommended
    World without Denpa, without Qtie, without Yunyun is worthless.

    12 h played when written. 3 found it helpful.

    Read on Steam
  • Not recommended
    Good game but hard to recommend. You progress the game's story a little bit at a time by completing any song. The biggest problem by far is there just aren't enough songs to facilitate progress all the way till the true ending. You're either buying all the DLCs which aren't very appealing because the charts in the base game feels very bland, or you end up spamming the autocomplete feature.

    8.5 h played when written. 3 found it helpful.

    Read on Steam
All reviews on Steam