HomeYunyun Syndrome!? Rhythm Psychosis
Yunyun Syndrome!? Rhythm Psychosis
by Alliance Arts, WHO YOU
“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.
Released Apr 24, 2026
Steam figures
| Value | As of | |
|---|---|---|
| Steam reviews | Very Positive · 91% positive of 4,134 Steam reviews | Oct 23, 2026 |
| Followers on Steam | 27,018 | Oct 21, 2026 |
| Regular US price | $16.99 | Oct 19, 2026 |
| Twitch peak viewers | 3 | Oct 22, 2026 |
New Steam reviews per week
| Week | New positive | New negative |
|---|---|---|
| Week of Apr 24, 2026 | 1,518 | 218 |
| Week of May 1, 2026 | 498 | 40 |
| Week of May 8, 2026 | 257 | 17 |
| Week of May 15, 2026 | 156 | 8 |
| Week of May 22, 2026 | 128 | 8 |
| Week of May 29, 2026 | 100 | 5 |
| Week of Jun 5, 2026 | 97 | 6 |
| Week of Jun 12, 2026 | 76 | 7 |
| Week of Jun 19, 2026 | 142 | 12 |
| Week of Jun 26, 2026 | 174 | 12 |
| Week of Jul 3, 2026 | 134 | 6 |
| Week of Jul 10, 2026 | 97 | 9 |
| Week of Jul 17, 2026 | 67 | 6 |
| Week of Jul 24, 2026 | 46 | 6 |
| Week of Jul 31, 2026 | 46 | 2 |
| Week of Aug 7, 2026 | 39 | 3 |
| Week of Aug 14, 2026 | 24 | 0 |
| Week of Aug 21, 2026 | 37 | 3 |
| Week of Aug 28, 2026 | 31 | 2 |
| Week of Sep 4, 2026 | 29 | 2 |
| Week of Sep 11, 2026 | 34 | 1 |
| Week of Sep 18, 2026 | 19 | 1 |
| Week of Sep 25, 2026 | 28 | 2 |
| Week of Oct 2, 2026 | 43 | 0 |
| Week of Oct 9, 2026 | 43 | 4 |
| Week of Oct 16, 2026 | 21 | 1 |
Sales estimate
| Copies sold on Steam | 140k – 390k | |
|---|---|---|
| Gross revenue on Steam | $1.1M – $3.8M before refunds, tax and Steam’s cut | |
| Steam reviews by buyers | 4,134 | Oct 23, 2026 |
| Copies per review | 35–93 |
Estimates are based on an aggregation of industry-accepted conversion formulas. How this is estimated
Tag DNA
| Tag | Share of Steam games |
|---|---|
| Music | 1 in 90 games |
| Rhythm | 1 in 79 games |
| Psychological | 1 in 31 games |
| Psychological Horror | 1 in 12 games |
| Visual Novel | 1 in 12 games |
| Multiple Endings | 1 in 12 games |
| Female Protagonist | 1 in 11 games |
| Anime | 1 in 9 games |
Games like Yunyun Syndrome!? Rhythm Psychosis
| Game | Developer | Match | Steam reviews |
|---|---|---|---|
| UNBEATABLE | D-CELL GAMES | 86% | Very Positive · 6,760 |
| Muse Dash | peropero | 76% | Very Positive · 112,942 |
| Symphonic Rain | KOGADO STUDIO | 84% | Overwhelmingly Positive · 1,142 |
| KAMITSUBAKI CITY ENSEMBLE | KAMITSUBAKI STUDIO, Studio Lalala | 80% | Mostly Positive · 1,477 |
| Touhou Danmaku Kagura Phantasia Lost | Alliance Arts, UnknownX | 78% | Very Positive · 2,291 |
| Hatsune Miku: Project DIVA Mega Mix+ | SEGA | 70% | Very Positive · 19,703 |
| Lovebirb | Anonymous Penguin Studio | 81% | Very Positive · 281 |
| Pastel☆Parade | Pastel Parade Project | 81% | Very Positive · 217 |