Internet Brainrot Rhythm Adventure 'Yunyun Syndrome!? Rhythm Psychosis' Posts New Demo Today
TOKYO — Feb. 25, 2026 — Yunyun Syndrome!? Rhythm Psychosis, the psychological rhythm adventure co-developed by WHO YOU alongside publisher Alliance Arts, escapes reality with a new demo available now on PC via Steam ahead of its launch slated for April 2026, as revealed during today's IGN Fan Fest.
In the newest demo, rock out to the newest and most difficult track in Qtie's delulu-posting playlist, “winter is machine gun” alongside the addition of new conversation events throughout gameplay. Plus, spread the love of Yunyun around the world with new language support in French, Spanish (Spain & LATAM), Italian, German, Portuguese (Brazil), Polish, Russian, Turkish, and Thai, in addition to the existing support for English, Japanese, Korean, and Chinese (Traditional & Simplified).
Join Qtie, an anonymous internet poster, on a denpa song adventure in service of the great and wonderful internet sensation Yunyun – a fictional character and subject of Qtie's obsession. Join Qtie in her self-imposed shut-in lifestyle to avoid the troubles and responsibilities of the real world and immerse in internet brainrot instead.
Lock in to the beats of more than 30 curiously catchy denpa songs as Qtie posts all over online forums to spread the unwavering love of Yunyun. Is Yunyun even real? Not important. Grab a pair of headphones and groove to the beats while posting online. Spread enough Yunyun love and bring about the world's very destruction as a result!
Yunyun Syndrome!? Rhythm Psychosis infects the whole world with Yunyun love on PC via Steam with an updated demo today. Anticipate maximum denpa delulu posting in the full game coming April 2026.
For more information, wishlist Yunyun Syndrome!? Rhythm Psychosis on Steam, and join the official Discord.
In the newest demo, rock out to the newest and most difficult track in Qtie's delulu-posting playlist, “winter is machine gun” alongside the addition of new conversation events throughout gameplay. Plus, spread the love of Yunyun around the world with new language support in French, Spanish (Spain & LATAM), Italian, German, Portuguese (Brazil), Polish, Russian, Turkish, and Thai, in addition to the existing support for English, Japanese, Korean, and Chinese (Traditional & Simplified).
Join Qtie, an anonymous internet poster, on a denpa song adventure in service of the great and wonderful internet sensation Yunyun – a fictional character and subject of Qtie's obsession. Join Qtie in her self-imposed shut-in lifestyle to avoid the troubles and responsibilities of the real world and immerse in internet brainrot instead.
Lock in to the beats of more than 30 curiously catchy denpa songs as Qtie posts all over online forums to spread the unwavering love of Yunyun. Is Yunyun even real? Not important. Grab a pair of headphones and groove to the beats while posting online. Spread enough Yunyun love and bring about the world's very destruction as a result!
Yunyun Syndrome!? Rhythm Psychosis infects the whole world with Yunyun love on PC via Steam with an updated demo today. Anticipate maximum denpa delulu posting in the full game coming April 2026.
For more information, wishlist Yunyun Syndrome!? Rhythm Psychosis on Steam, and join the official Discord.
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