Yunyun Syndrome!? Rhythm Psychosis

Yunyun Syndrome!? Rhythm Psychosis Banner
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Followers

12.9k

Users who follow this game on Steam.
Reported by Steam

Wishlists

238.2k

Estimated users who added the game to their wishlists (model-based).

Wishlist Rank

175

Current rank on Steam's global wishlist chart.
Reported by Steam

Week-1 Sales Proj.

47.6k

Projected first-week units based on current data.
Overview

Developer: Alliance Arts, WHO YOU

Publisher: Alliance Arts

Release Date: April 2026

Genres: Adventure, Indie, Simulation

Tags: Psychological Horror, Rhythm, Adventure, Multiple Endings, Anime, Music, Visual Novel, Cute, Simulation, Singleplayer, Psychological, Indie, Female Protagonist, 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
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」 767,883 Yunyun Syndrome!? Rhythm Psychosis | First Trailer 215,386 Yunyun Syndrome!? Rhythm Psychosis - Official INDIE Live Expo Announcement Trailer 129,321 Yunyun Syndrome!? Rhythm Psychosis | Launch Date Confirmation Trailer 59,567 Yunyun Syndrome!? Rhythm Psychosis 2025 Release Trailer 44,178 『Yunyun Syndrome!? Rhythm Psychosis』Second Trailer 31,607 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) 14,313 Yunyun Syndrome?! Rhythm Psychosis DEMO 4,773 Yunyun Syndrome!? Rhythm Psychosis DEMO FULL 3,882 Yunyun Syndrome! Rhythm Psychosis Demo - Full Walkthrough 3,378