Yunyun Syndrome!? Rhythm Psychosis is a rhythm adventure game featuring a psychotic hikikomori girl obsessed with denpa music. As an anonymous online poster, she spreads brain rot across the world. Dive into this chao...
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Details
Release Date:
April 24, 2026
Genre:
Music, Simulator, Indie, Visual Novel
Publisher:
WSS playground, Alliance Arts
Developer:
WSS playground, WHO YOU
Game Mode:
Single player
Legal information
Yunyun Syndrome!? Rhythm Psychosis is a rhythm-adventure game where you play as a hikikomori girl obsessed with denpa songs. Dive into her chaotic world as she loses herself in online anonymity, spreading her Yunyun-brain rot across the internet. With over 30 denpa songs and multiple endings, experience a surreal journey blending music, madness, and otaku culture.
Gameplay
Groove to the beat of high-energy denpa songs in this rhythm-based adventure. As you progress, you'll anonymously post online, spreading your obsession with Yunyun and influencing the world around you. The gameplay combines fast-paced rhythm mechanics with narrative choices, leading to different endings based on your actions.
Story
Step into the mind of Qtie, a shut-in girl whose reality is warped by her love for the fictional character Yunyun. As she overdoses on denpa music, her online activity spirals into a surreal quest to corrupt the internet. Is Yunyun real, or just a figment of Qtie's fractured psyche? Unravel the truth through multiple endings, each revealing a different facet of her descent into rhythm-induced psychosis.
Key Features
Over 30 catchy and bizarre denpa songs to play through
Multiple endings shaped by your in-game choices
A unique blend of rhythm gameplay and narrative-driven adventure
Surreal and darkly comedic story exploring otaku culture and internet obsession
Distinctive art style and eccentric characters
Features popular denpa tracks like "Sakuranbo Kiss"
Minimal requirements
Recommended requirements
System
Windows 10, 11 (64bit)
OS: Windows 10, 11 (64bit)
Processor
Core™ i5-9400
Memory
8 GB RAM
Graphics
GeForce® GTX 1050 Ti 4GB
Disk space
3 GB available space
3 GB available space
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By subscribing to the newsletter, you consent to G2A.COM Limited sending commercial communications to your email, including personalized offers available on the G2A Marketplace. The administrator of your personal data is G2A.COM Limited. You can withdraw your consent at any time. If you withdraw your consent, it will not affect the legality of your data processed before. We process your personal data in line with the Privacy and Cookies Policy. Every new user who subscribes for the first time to the newsletter receives a one-time 11% discount code that may use once for future purchases on the g2a.com platform. The code is valid for 3 days and can only be used to purchase activation keys (excluding preorders) under EUR 50.00 in the categories: video games, software, randoms, and DLC, from sellers participating in this discount program. G2A.COM Limited is not responsible for adjusting the value of any promotional items, this is solely up to participating sellers.