Yunyun Syndrome!? Rhythm Psychosis launches April 24

The rhythm adventure game, Yunyun Syndrome!? Rhythm Psychosis, will be available on Steam for PC starting April 23rd at 9 PM Pacific Time / April 24th at midnight Eastern Time. It will cost $16.99. The game is being published by WSS playground and Alliance Arts, and developed by WHO YOU. They’ve also created an official Twitter account for the game.

So, I heard from the developers that Yunyun Syndrome!? Rhythm Psychosis is almost ready! They’re in the last stages of fixing bugs and getting everything polished up. It sounds like we’re getting close to launch!

Here is an overview of the game, via its Steam page:

About

《Yunyun Syndrome!? Rhythm Psychosis》 is a rhythm game where you play as a girl who’s become isolated and mentally unstable, fueled by an obsession with a specific type of electronic music. She expresses her fractured state through chaotic online posts, and those posts begin to warp reality around her. Get ready for a wild ride filled with intense music and a descent into madness!

We’re full of energy and using electronic music to playfully disrupt the internet! All we ask is for a little support from fans of Japanese pop culture.

Immerse yourself in this rhythm-based adventure game as a reclusive girl fueled by energetic denpa songs. Embrace a carefree, impulsive state as you anonymously share your thoughts online, and watch the world descend into delightful chaos. Enjoy over 30 exciting denpa tracks and experience multiple different endings!

  • Q. Why did she become a hikikomori?
  • Q. How does anonymous online posting lead to world destruction?
  • Q. Does a happy ending exist for a degenerate otaku?

The solutions to these mysteries exist where madness and a strange mental illness meet. So, put on your headphones and experience the bizarre world of Yunyun Syndrome!? Rhythm Psychosis.

Groove to the DENPA!

  • Anonymously Post Online and Infect the Whole World with Yunyun-Brain! – Get high on denpa songs and sink in the depths of social media!! Browse social media at the start of the song to check up on your Yunyun cult and haters. And then prepare for the climax where you can start dropping posts left and right. Successfully posting will cause other social media users to become psychotically Yunyun-ified. Social media is all about sharing—spread your heartful psychosis to everyone else!

Characters

  • Qtie – The main character. A hikikomori. She suffered too much irl that she’s become a little (very) fuzzy in the head. Her obsessive love for the fictional character “Yunyun” is for sure an illness. Her overly “high” state from overdosing denpa songs causes her to propagate Yunyun love. Will there really be a happy end for such a degenerate otaku?
  • Yunyun – A fictional character that loves Qtie. A very much angelic devil. She will speak to Qtie through the monitor screen. Whilst the truth is unknown, most likely, she is just a figment of Qtie’s imagination. It’s joever for her.

About Denpa Songs!

“Denpa” is a music style known for being intentionally quirky and having catchy melodies. All the songs you can play in this game fall into this genre. You’ll find lots of popular denpa tracks, like “it’s a cherry kissing explosion” (Sakuranbo Kiss), and many others!

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2026-03-31 09:16