Yunyun Syndrome!? Rhythm Psychosis

Yunyun Syndrome!? Rhythm Psychosis Banner
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Wishlists

255.1k

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Wishlist Rank

184

Current rank on Steam's global wishlist chart.
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Overview

Developer: Alliance Arts, WHO YOU

Publisher: Alliance Arts

Release Date: 23 Apr, 2026

Genres: Adventure, Indie, Simulation

Tags: Rhythm, Psychological Horror, Adventure, Anime, Multiple Endings, Music, Cute, Visual Novel, Simulation, Singleplayer, Psychological, Female Protagonist, Indie, LGBTQ+, Immersive Sim, 2D, Funny, Story Rich, Choices Matter, Casual, Great Soundtrack

Description: “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.

Wishlists
Game News
Notice of Upcoming Demo Update (Full-Version Specs) & Pre-Launch AMA
Community Announcements · 2026-04-22 06:04:54
Yunyun Unhinged Post Recruitment Campaign
Community Announcements · 2026-04-14 06:13:26
Release set for April 23, 9:00 PM PT / 12:00 AM ET with the price of $16.99!
Community Announcements · 2026-03-31 05:40:59
Demo Update Ver.1.0.4
Community Announcements · 2026-02-25 18:16:52
Demo Update Ver.1.0.3
Community Announcements · 2025-12-05 03:30:03
Release Date Set for April 2026 & New Trailer Released!
Community Announcements · 2025-11-29 11:24:22
Creator’s Letter Vol.2
Community Announcements · 2025-11-29 11:24:16
Demo Update Released! New Features Added
Community Announcements · 2025-11-29 11:24:07
Demo Update Ver.1.0.1
Community Announcements · 2025-10-13 17:47:04
Limited-Time Demo Now Available!
Community Announcements · 2025-10-10 07:05:14
Original Theme Song by KOTOKO × Opening Animation Revealed!
Community Announcements · 2025-09-05 16:44:01
Announcing Closed Beta Test!
Community Announcements · 2025-09-04 04:20:46
Creator’s Letter of Release Date Postponement
Community Announcements · 2025-09-04 03:10:42
Game Videos
『ゆんゆん電波シンドローム』OP映像｜KOTOKO「電波的妄想美少女Q」 837,196 Yunyun Syndrome!? Rhythm Psychosis | First Trailer 222,222 Yunyun Syndrome!? Rhythm Psychosis - Official INDIE Live Expo Announcement Trailer 129,321 Yunyun Syndrome!? Rhythm Psychosis | Launch Date Confirmation Trailer 61,314 『Yunyun Syndrome!? Rhythm Psychosis』Second Trailer 49,852 Yunyun Syndrome!? Rhythm Psychosis 2025 Release Trailer 44,818 Yunyun Syndrome!? Rhythm Psychosis / NEEDY STREAMER OVERLOAD | Song Addition Trailer 18,632 НОВАЯ ИГРА ОТ РАЗРАБОТЧИКОВ NEEDY STREAMER OVERLOAD? - Yunyun Syndrome!? Rhythm Psychosis 16,864 ⚠『Yunyun Syndrome!? Rhythm Psychosis』Special Transmission Trailer (CV: Haruko Momoi & CV: Nanahira) 16,622 Yunyun Syndrome! Rhythm Psychosis Demo - Full Walkthrough 6,796 Yunyun Syndrome?! Rhythm Psychosis DEMO 5,402 Yunyun Syndrome!? Rhythm Psychosis DEMO v1 FULL 5,120