Yunyun Syndrome!? Rhythm Psychosis Demo
| App ID | 4074930 |
| App Type | Demo |
| Store Name | ゆんゆん電波シンドローム Demo |
| Developer | Alliance Arts, WHO YOU |
| Publisher | Alliance Arts |
| Franchise | Alliance Arts |
| Supported Systems | Windows |
| Technologies | Unity Engine |
| Last Changenumber | 31744337 |
| Last Record Update | 18 October 2025 – 14:55:29 UTC ( |
| Release Date | 10 October 2025 – 06:50:17 UTC ( |
| Parent App | Yunyun Syndrome!? Rhythm Psychosis (2914150) |
“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.
Additional Information
This demo is excluded from Steam Family Sharing because: This content type cannot be shared
| Developer | Alliance Arts | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | Alliance Arts | |||||||||||||||||||
| Exclude from family sharing (exfgls) | 6 (This content type cannot be shared) | |||||||||||||||||||
| Store Release Date | 10 October 2025 – 06:50:17 UTC ( |
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| osarch | empty string | |||||||||||||||||||
| Primary Genre | Adventure (25) | |||||||||||||||||||
| Store Genres | Adventure (25), Indie (23), Simulation (28) | |||||||||||||||||||
| Steam Release Date | 10 October 2025 – 06:50:17 UTC ( |
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| Store Asset Modification Time | 8 October 2025 – 02:52:15 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| name_localized |
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| Is free on the store? | Yes | |||||||||||||||||||
| review_score | 8 | |||||||||||||||||||
| review_percentage | 86 | |||||||||||||||||||
| Detected Technologies (?) | Unity Engine, SteamworksNET SDK, UnityBurst SDK, cURL SDK | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| First seen on SteamDB | 30 September 2025 – 09:04:31 UTC ( |
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Supported Languages
| 5 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | |
| Simplified Chinese | Yes | Yes | |
| Traditional Chinese | Yes | Yes | |
| Japanese | Yes | Yes | Yes |
| Korean | Yes | Yes |
Categories
Assets
Load all asset images
| trailer_name | OPENING ANIMATION EN |
| trailer_category | 3 |
| microtrailer ↴ | |
| video/webm | 4074930/49746209/88e4884610938502d6a4851918b594593db8edfb/1759487149/microtrailer.webm |
| video/mp4 | 4074930/49746209/88e4884610938502d6a4851918b594593db8edfb/1759487149/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 4074930/49746209/88e4884610938502d6a4851918b594593db8edfb/1759487149/dash_av1.mpd |
| dash_h264 | 4074930/49746209/88e4884610938502d6a4851918b594593db8edfb/1759487149/dash_h264.mpd |
| hls_h264 | 4074930/49746209/88e4884610938502d6a4851918b594593db8edfb/1759487149/hls_264_master.m3u8 |
| screenshot_medium | 257211279/4f355e529cc9f8aeb270f87bf4d6638932c8db70/movie_600x337.jpg |
| screenshot_full | 257211279/4f355e529cc9f8aeb270f87bf4d6638932c8db70/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 10 October 2025 – 06:50:35 UTC |
| trailer_name | Special Transmission Trailer |
| trailer_category | 3 |
| microtrailer ↴ | |
| video/webm | 4074930/1365525363/9cbee367009c9896dc9dc6e2a2fafb0007e1330a/1759487170/microtrailer.webm |
| video/mp4 | 4074930/1365525363/9cbee367009c9896dc9dc6e2a2fafb0007e1330a/1759487170/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 4074930/1365525363/9cbee367009c9896dc9dc6e2a2fafb0007e1330a/1759487170/dash_av1.mpd |
| dash_h264 | 4074930/1365525363/9cbee367009c9896dc9dc6e2a2fafb0007e1330a/1759487170/dash_h264.mpd |
| hls_h264 | 4074930/1365525363/9cbee367009c9896dc9dc6e2a2fafb0007e1330a/1759487170/hls_264_master.m3u8 |
| screenshot_medium | 257211287/321a4f44c084380222089420f6fbf3a34c34a262/movie_600x337.jpg |
| screenshot_full | 257211287/321a4f44c084380222089420f6fbf3a34c34a262/movie_full.jpg |
| all_ages | true |
| is_highlight | true |
| timestamp | 10 October 2025 – 06:50:33 UTC |
