Yunyun Syndrome!? Rhythm Psychosis

Yunyun Syndrome!? Rhythm Psychosis has sold an estimated 76.3k copies on Steam, based on 1,527 reviews. How we estimate

Yunyun Syndrome!? Rhythm Psychosis Banner
Steam SteamDBSteamDB STEAMCHARTS

Followers

n/a

Users who follow this game on Steam.
Reported by Steam

Estimated Sales

76.3k

Estimated total copies sold using review-based models.

Est. Revenue

1M

Rough gross revenue = price × estimated sales.
Overview

Developer: Alliance Arts, WHO YOU

Publisher: Alliance Arts

Release Date: 23 Apr, 2026

Price: $13.59

Genres: Adventure, Indie, Simulation

Tags: Rhythm, Psychological Horror, Anime, Cute, Music, Visual Novel, Multiple Endings, Adventure, Female Protagonist, Simulation, Singleplayer, Psychological, Indie, Funny, 2D

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
MonthEst. wishlists
Apr 2026280,290
Mar 2026269,309
Feb 2026265,649
Jan 2026159,181
Dec 2025252,366
Nov 2025237,329
Oct 2025214,236
Sep 2025155,163
Aug 2025147,484
Jul 2025145,484
Jun 2025142,352
May 2025139,031
Game News
Patch Notes Ver.1.0.6
Community Announcements · 2026-04-25 11:14:10
Regarding the English Localization Issues and Update Timeline
Community Announcements · 2026-04-25 06:25:38
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」 1,220,791 【Official MV】YUNYUN HARDCORE｜『ゆんゆん電波シンドローム』オリジナルソング 676,980 A Rhythm Game Where A Girl Infects The World With Brain Rot - Yunyun Syndrome!? Rhythm Psychosis 248,496 Yunyun Syndrome!? Rhythm Psychosis | First Trailer 234,079 Yunyun Syndrome!? Rhythm Psychosis - Official INDIE Live Expo Announcement Trailer 129,321 【YUNYUN SYNDROME｜ゆんゆん電波シンドローム】denpa rhythm game of our favorite songs?! 🐾 【FUWAMOCO｜SPOILER WARNING】 111,737 【Official MV】どうにでもなあれ｜『ゆんゆん電波シンドローム』オリジナルソング 70,058 Yunyun Syndrome!? Rhythm Psychosis | Launch Date Confirmation Trailer 61,661 『Yunyun Syndrome!? Rhythm Psychosis』Second Trailer 60,943 Yunyun Syndrome!? Rhythm Psychosis 2025 Release Trailer 44,882 Yunyun Syndrome!? Rhythm Psychosis Launch Trailer 43,836 Localizers RUIN the Translation for Yunyun Syndrome 21,996