記憶の鍵盤
| App ID | 3782920 |
| App Type | Game |
| Store Name | HARMONIC REFLECTIONS |
| Developer | Laplacian |
| Publisher | Laplacian |
| Supported Systems | Windows |
| Technologies | KiriKiri Engine |
| Last Changenumber | 30691072 |
| Last Record Update | 20 August 2025 – 12:15:42 UTC ( |
| Release Date | 22 July 2025 – 12:34:51 UTC ( |
Aruto Mozumi, a third-year high school student who has lost the ability to hear the sound of the piano and lives in the shadow of his brother's talent, struggles to move forward. The guidance of a mysterious girl, who claims to have memories of the future, begins to change his destiny.
Steam price history
Current Price
$19.99
Lowest Recorded Price
$17.99 at -10%
22 July 2025
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
$19.99 | $19.99 | $17.99 | $17.99 at -10% | |
 South Asia - USD |
$8.19 | $8.19 | -59.03% | $7.37 | $7.37 at -10% |
 Kazakhstani Tenge |
5200₸ | $9.66 | -51.63% | $8.70 | 4680₸ at -10% |
 Vietnamese Dong |
260000₫ | $9.86 | -50.63% | $8.88 | 234000₫ at -10% |
 Russian Ruble |
799 ₽ | $9.92 | -50.36% | $8.92 | 719 ₽ at -10% |
 Indian Rupee |
₹ 880 | $9.98 | -50.07% | $8.98 | ₹ 792 at -10% |
 Ukrainian Hryvnia |
415₴ | $10.04 | -49.74% | $9.03 | 373₴ at -10% |
 Indonesian Rupiah |
Rp 165999 | $10.11 | -49.42% | $9.10 | Rp 149399 at -10% |
 South African Rand |
R 185.00 | $10.47 | -47.62% | $9.42 | R 166.50 at -10% |
 CIS - U.S. Dollar |
$10.49 | $10.49 | -47.52% | $9.44 | $9.44 at -10% |
 LATAM - U.S. Dollar |
$10.49 | $10.49 | -47.52% | $9.44 | $9.44 at -10% |
 MENA - U.S. Dollar |
$10.49 | $10.49 | -47.52% | $9.44 | $9.44 at -10% |
 Philippine Peso |
₱615.00 | $10.77 | -46.11% | $9.69 | ₱553.50 at -10% |
 Chilean Peso |
CLP$ 10500 | $10.86 | -45.63% | $9.78 | CLP$ 9450 at -10% |
 Saudi Riyal |
40.95 SR | $10.91 | -45.41% | $9.82 | 36.85 SR at -10% |
 Kuwaiti Dinar |
3.35 KD | $10.98 | -45.05% | $9.87 | 3.01 KD at -10% |
 Malaysian Ringgit |
RM49.00 | $11.59 | -41.98% | $10.43 | RM44.10 at -10% |
 Colombian Peso |
COL$ 47500 | $11.81 | -40.91% | $10.63 | COL$ 42750 at -10% |
 Mexican Peso |
Mex$ 227.99 | $12.07 | -39.58% | $10.87 | Mex$ 205.19 at -10% |
 Qatari Riyal |
43.99 QR | $12.08 | -39.52% | $10.87 | 39.59 QR at -10% |
 Taiwan Dollar |
NT$ 370 | $12.09 | -39.47% | $10.88 | NT$ 333 at -10% |
 Peruvian Sol |
S/.43.00 | $12.16 | -39.12% | $10.95 | S/.38.70 at -10% |
 Chinese Yuan |
¥ 86.99 | $12.19 | -38.97% | $10.97 | ¥ 78.29 at -10% |
 Thai Baht |
฿400.00 | $12.36 | -38.16% | $11.12 | ฿360.00 at -10% |
 Brazilian Real |
R$ 67,99 | $12.51 | -37.38% | $11.26 | R$ 61,19 at -10% |
 Japanese Yen |
¥ 2000 | $13.59 | -31.97% | $12.23 | ¥ 1800 at -10% |
 Singapore Dollar |
S$18.50 | $14.40 | -27.96% | $12.96 | S$16.65 at -10% |
 U.A.E. Dirham |
53.00 AED | $14.43 | -27.81% | $12.98 | 47.70 AED at -10% |
 Uruguayan Peso |
$U595 | $14.87 | -25.60% | $13.37 | $U535 at -10% |
 South Korean Won |
₩ 21500 | $15.47 | -22.57% | $13.93 | ₩ 19350 at -10% |
 Hong Kong Dollar |
HK$ 125.00 | $15.98 | -20.04% | $14.38 | HK$ 112.50 at -10% |
 Costa Rican Colon |
₡8500 | $16.86 | -15.65% | $15.17 | ₡7650 at -10% |
 New Zealand Dollar |
NZ$ 28.99 | $17.20 | -13.95% | $15.48 | NZ$ 26.09 at -10% |
 Canadian Dollar |
CDN$ 25.99 | $18.89 | -5.45% | $17.00 | CDN$ 23.39 at -10% |
 Australian Dollar |
A$ 29.50 | $19.29 | -3.49% | $17.36 | A$ 26.55 at -10% |
 Norwegian Krone |
220,00 kr | $21.87 | +9.41% | $19.68 | 198,00 kr at -10% |
 Israeli New Shekel |
₪73.95 | $22.18 | +11.00% | $19.96 | ₪66.55 at -10% |
 British Pound |
£16.75 | $22.24 | +11.30% | $20.01 | £15.07 at -10% |
 Euro |
19,50€ | $22.50 | +12.59% | $20.25 | 17,55€ at -10% |
 Polish Zloty |
91,99zł | $25.19 | +26.02% | $22.67 | 82,79zł at -10% |
 Swiss Franc |
CHF 21.99 | $27.01 | +35.16% | $24.31 | CHF 19.79 at -10% |
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | Laplacian | |||||||||||||||||||
| community_visible_stats | Yes | |||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||
| Publisher | Laplacian | |||||||||||||||||||
| Store Release Date | 22 July 2025 – 12:34:54 UTC ( |
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| osarch | empty string | |||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||
| Primary Genre | Adventure (25) | |||||||||||||||||||
| Store Genres | Adventure (25), Casual (4) | |||||||||||||||||||
| Steam Release Date | 22 July 2025 – 12:34:51 UTC ( |
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| Store Asset Modification Time | 17 July 2025 – 09:43:23 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||
| name_localized |
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| review_score | 7 | |||||||||||||||||||
| review_percentage | 81 | |||||||||||||||||||
| Detected Technologies (?) | KiriKiri Engine, Vorbis SDK | |||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||
| AI Content Type | 1 | |||||||||||||||||||
| First seen on SteamDB | 29 May 2025 – 07:29:34 UTC ( |
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Supported Languages
| 4 Languages | Interface | Full Audio | Subtitles | Achievements |
|---|---|---|---|---|
| English | Yes | Yes | Yes | |
| Simplified Chinese | Yes | Yes | Yes | |
| Traditional Chinese | Yes | Yes | Yes | |
| Japanese | Yes | Yes | Yes | Yes |
