Announcing Closed Beta Test!

Oct 30, 2025

Yunyun Syndrome!? Rhythm Psychosis

“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.

[p][img src="{STEAM_CLAN_IMAGE}/45033516/5ed8b3d3aed0777ca228b65c55329adddd410543.png"][/img][/p][p]We’re excited to announce that a Closed Beta Test will be held![/p][p]Applications to join the test will be accepted via our official Discord server.[/p][p][/p][p][b]Join the official “Yunyun Syndrome!? Rhythm Psychosis” Discord and stay tuned for more information![/b][/p][p][/p][p]Whether you want to participate as a beta tester, chit chat, or just lurk, you’re more than welcome! And of course, feel free to chat about your love for Yunyun Syndrome!? Rhythm Psychosis too.[/p][p]We hope to see you![/p][p][/p][p][b]Join the official Yunyun Syndrome!? Rhythm Psychosis Discord server here:[/b][/p][p][url="https://alliance-arts.heteml.net/alliance-arts.co.jp/redirect/yunyun_discord/"]https://alliance-arts.heteml.net/alliance-arts.co.jp/redirect/yunyun_discord/[/url][/p]