Yunyun Syndrome!? Rhythm Psychosis overview

Overview

Yunyun Syndrome!? Rhythm Psychosis comes from Alliance Arts, WHO YOU and is published by Alliance Arts. It arrived on Steam on Apr 23, 2026, and it sits naturally among Single-player, Steam Achievements, DualShock Controller Support, DualShock Controller Support, DualSense Controller Support, DualSense Controller Support, Partial Controller Support, and Steam Cloud. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Yunyun Syndrome!? Rhythm Psychosis's latest SteamPulse observation recorded 171 players at 12 October 2026 - 16:12:38 UTC, with a tracked peak near 2,181. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 91% positive across 4,174 reviews.

Language and system requirements

Yunyun Syndrome!? Rhythm Psychosis is available in 15 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Yunyun Syndrome!? Rhythm Psychosis has sold up to 144,000 units and has 4,091 Steam recommendations. The estimated VGI revenue is $1,800,000. On Twitch, 3 streamers are live with around 22 total watchers.

Yunyun Syndrome!? Rhythm Psychosis overview details

Yunyun Syndrome!? Rhythm Psychosis combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

High and vibin’ with denpa songs, we’ll corrupt the entire Internet! Hehe. all we need is a bit of otaku love, that’s all. This is a rhythm-adventure game where you play as a hikikomori (shut-in) girl who’s high on denpa songs. Become Yunyun-brained and lose all self-control to anonymously post on social media and destroy the world with your Yunyun brain rot. Have a Doki-Doki experience with over 30 denpa songs and multiple 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 answers to those “Q” s lie at the convergence of insanity and denpa psychosis. Now, put those headphones on and become ill with Yunyun Syndrome!? Rhythm Psychosis. ⚡ Anonymously post online and infect the whole world with Yunyun-brain! Get high on denpa songs and spread your heartful psychosis to everyone else! ⚡Characters! ・Qtie (CV:Nanahira) 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 (CV:Haruko Momoi) 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 DenpaSongs! Q. What is a “denpa” song? It is a…

SteamPulse editorial summary

Yunyun Syndrome!? Rhythm Psychosis is listed as a game with $13.59 (20% off from $16.99). It supports Windows, belongs to Single-player, Steam Achievements, DualShock Controller Support, DualShock Controller Support, DualSense Controller Support, DualSense Controller Support, Partial Controller Support, and Steam Cloud, and is associated with Adventure, Indie, and Simulation. SteamPulse's latest observation records 171 players at 12 October 2026 - 16:12:38 UTC, a tracked peak of 2,181, and 91% positive reviews.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.