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記憶の鍵盤

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App ID 3782920
App Type Game
Store Name HARMONIC REFLECTIONS
Developer
Publisher Laplacian
Supported Systems Windows
Technologies KiriKiri Engine
Last Changenumber 31762545
Last Record Update 20 October 2025 – 09:13:30 UTC ()
Release Date 22 July 2025 – 12:34:51 UTC ()
❓ 73.25%
44 reviews
1
In-Game
🗺️ Adventure 😌 Casual 📚 Visual Novel 📚 Story Rich 💔 Emotional

A boy who can no longer hear the piano, living in the shadow of his gifted younger brother; a karate girl who is more than a friend but not yet a lover; and a girl with future memories. As past and future entwine, where will this triangle lead in this fleeting, bittersweet summer love story?

Steam price history

Current Price $19.99
Lowest Recorded Price $13.99 at -30% 29 September 2025
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $19.99 $19.99 $13.99 $13.99 at -30%
South Asia - USD $8.19 $8.19 -59.03% $5.73 $5.73 at -30%
Kazakhstani Tenge 5200₸ $9.66 -51.66% $6.76 3640₸ at -30%
Vietnamese Dong 260000₫ $9.86 -50.63% $6.90 182000₫ at -30%
Russian Ruble 799 ₽ $9.88 -50.56% $6.91 559 ₽ at -30%
Ukrainian Hryvnia 415₴ $9.93 -50.28% $6.94 290₴ at -30%
Indian Rupee ₹ 880 $9.99 -49.98% $6.99 ₹ 616 at -30%
Indonesian Rupiah Rp 165999 $10.02 -49.83% $7.01 Rp 116199 at -30%
CIS - U.S. Dollar $10.49 $10.49 -47.52% $7.34 $7.34 at -30%
LATAM - U.S. Dollar $10.49 $10.49 -47.52% $7.34 $7.34 at -30%
MENA - U.S. Dollar $10.49 $10.49 -47.52% $7.34 $7.34 at -30%
Philippine Peso ₱615.00 $10.56 -47.13% $7.39 ₱430.50 at -30%
South African Rand R 185.00 $10.73 -46.32% $7.51 R 129.50 at -30%
Saudi Riyal 40.95 SR $10.91 -45.38% $7.64 28.66 SR at -30%
Kuwaiti Dinar 3.35 KD $10.94 -45.23% $7.64 2.34 KD at -30%
Chilean Peso CLP$ 10500 $11.02 -44.82% $7.72 CLP$ 7350 at -30%
Malaysian Ringgit RM49.00 $11.59 -42.02% $8.11 RM34.30 at -30%
Qatari Riyal 43.99 QR $12.08 -39.56% $8.45 30.79 QR at -30%
Taiwan Dollar NT$ 370 $12.10 -39.43% $8.47 NT$ 259 at -30%
Chinese Yuan ¥ 86.99 $12.21 -38.88% $8.55 ¥ 60.89 at -30%
Thai Baht ฿400.00 $12.28 -38.54% $8.59 ฿280.00 at -30%
Mexican Peso Mex$ 227.99 $12.39 -38.00% $8.67 Mex$ 159.59 at -30%
Colombian Peso COL$ 47500 $12.40 -37.96% $8.68 COL$ 33250 at -30%
Brazilian Real R$ 67,99 $12.65 -36.68% $8.85 R$ 47,59 at -30%
Peruvian Sol S/.43.00 $12.72 -36.35% $8.90 S/.30.10 at -30%
Japanese Yen ¥ 2000 $13.28 -33.56% $9.29 ¥ 1400 at -30%
Singapore Dollar S$18.50 $14.30 -28.44% $10.01 S$12.95 at -30%
U.A.E. Dirham 53.00 AED $14.42 -27.82% $10.10 37.10 AED at -30%
Uruguayan Peso $U595 $14.91 -25.38% $10.42 $U416 at -30%
South Korean Won ₩ 21500 $15.13 -24.27% $10.59 ₩ 15050 at -30%
Hong Kong Dollar HK$ 125.00 $16.09 -19.50% $11.26 HK$ 87.50 at -30%
New Zealand Dollar NZ$ 28.99 $16.66 -16.62% $11.66 NZ$ 20.29 at -30%
Costa Rican Colon ₡8500 $16.91 -15.40% $11.83 ₡5950 at -30%
Canadian Dollar CDN$ 25.99 $18.52 -7.33% $12.96 CDN$ 18.19 at -30%
Australian Dollar A$ 29.50 $19.22 -3.85% $13.45 A$ 20.65 at -30%
Norwegian Krone 220,00 kr $21.90 +9.56% $15.33 154,00 kr at -30%
British Pound £16.75 $22.47 +12.45% $15.72 £11.72 at -30%
Israeli New Shekel ₪73.95 $22.52 +12.68% $15.76 ₪51.76 at -30%
Euro 19,50€ $22.72 +13.69% $15.90 13,65€ at -30%
Polish Zloty 91,99zł $25.30 +26.61% $17.71 64,39zł at -30%
Swiss Franc CHF 21.99 $27.76 +38.92% $19.43 CHF 15.39 at -30%
Valve suggested prices are shown on package pages.

Price history

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Click on a currency name to load price history for that particular currency.
View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer Laplacian
community_visible_stats Yes
ReleaseState released
Publisher Laplacian
Store Release Date 22 July 2025 – 12:34:54 UTC ()
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 ()
Store Asset Modification Time 17 July 2025 – 09:43:23 UTC () (1752745403)
library_assets
library_capsuleen,zh-cn,zh-tw,ja
library_heroen
library_hero_bluren
library_logozh-tw,en,ja,zh-cn
library_headeren,zh-cn,ja,zh-tw
logo_position ↴
pinned_positionBottomLeft
width_pct100
height_pct98.73273371329057
osextended empty string
name_localized
englishHARMONIC REFLECTIONS
schinese记忆的琴键
tchinese記憶的琴鍵
review_score 7
review_percentage 84
Detected Technologies (?) KiriKiri Engine, Vorbis SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game is incorrectly scaled on Steam Deck and may require you to configure the display resolution manually
  • All functionality is accessible when using the default controller configuration
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: This game is incorrectly scaled on SteamOS and may require you to configure the display resolution manually
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 29 August 2025 – 00:00:00 UTC
  • tested_build_id: 19275062
  • configuration:
    supported_inputother
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-10.0-beta
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
controllertagwizard Yes
AI Content Type 1
First seen on SteamDB 29 May 2025 – 07:29:34 UTC (), in changelist #29254401

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

Assets

Load all asset images
clienticon 674344b70824ef7ef55e45b9ad4f8086473218a2
clienttga a9b87188116df454b5bf34c436b03ab8e209f61c
icon b92c587cc66cf16d6a1343cc1f46410e34fb6708
small_capsule
schinese2214b4689786ca45776f900ac374334bc2161ef6/capsule_231x87_schinese.jpg
englishdd216ecc173346521648ac80b1783b6507430263/capsule_231x87.jpg
japanesed36cff7c38f7a6d42861c4d25cfdf13a321c5afc/capsule_231x87_japanese.jpg
tchinesea3b78dd9510816250e1bda0dc93628af81b26f06/capsule_231x87_tchinese.jpg
header_image
japanese255698e786708bdd5934922990ddd7935bc1f14a/header_japanese.jpg
tchinese13c18a5c4372f35f45434881ba0fbe033809d54d/header_tchinese.jpg
english77a729f46bfc5439cf843de6abae9b6ad4e5965a/header.jpg
schinese6c2facf51fcf969090ee2bb6d4cec6ab0883de92/header_schinese.jpg
library_assets_full
library_capsule ↴
image/englishb217eac06a976168039dd3829782c2e8bb8efd5d/library_600x900.jpg
image/schinese7e10e5cda6d8f0481f9449d2129cd5c2d480e4d1/library_600x900_schinese.jpg
image/tchinese3671ffef073df03690d5de005ee7a3ff833dd0fc/library_600x900_tchinese.jpg
image/japanesed3a9a3db3cb4f18a980dd61ea4f590b65e42c5a8/library_600x900_japanese.jpg
image2x/englishb217eac06a976168039dd3829782c2e8bb8efd5d/library_600x900_2x.jpg
image2x/schinese7e10e5cda6d8f0481f9449d2129cd5c2d480e4d1/library_600x900_schinese_2x.jpg
image2x/tchinese3671ffef073df03690d5de005ee7a3ff833dd0fc/library_600x900_tchinese_2x.jpg
image2x/japanesed3a9a3db3cb4f18a980dd61ea4f590b65e42c5a8/library_600x900_japanese_2x.jpg
library_hero ↴
image2x/english40bd09cd3de0ceaec362c26ddb38b1aa723adefb/library_hero_2x.jpg
image/english40bd09cd3de0ceaec362c26ddb38b1aa723adefb/library_hero.jpg
library_hero_blur ↴
image/english40bd09cd3de0ceaec362c26ddb38b1aa723adefb/library_hero_blur.jpg
library_logo ↴
image/tchineseebd4942cf088b21033af9f7ef003ec10b0962f16/logo_tchinese.png
image/englishe62e3d076bc559a4eaa287a7583a215c4518aee8/logo.png
image/japanese38e48cf5f4263d708c0eb401a6a3076895644ef5/logo_japanese.png
image/schinese93655616b6967c8d0896ed72f7422f9000ace331/logo_schinese.png
image2x/tchineseebd4942cf088b21033af9f7ef003ec10b0962f16/logo_tchinese_2x.png
image2x/englishe62e3d076bc559a4eaa287a7583a215c4518aee8/logo_2x.png
image2x/japanese38e48cf5f4263d708c0eb401a6a3076895644ef5/logo_japanese_2x.png
image2x/schinese93655616b6967c8d0896ed72f7422f9000ace331/logo_schinese_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct100
logo_position/height_pct98.73273371329057
library_header ↴
image/english77a729f46bfc5439cf843de6abae9b6ad4e5965a/library_header.jpg
image/schinese6c2facf51fcf969090ee2bb6d4cec6ab0883de92/library_header_schinese.jpg
image/japanese255698e786708bdd5934922990ddd7935bc1f14a/library_header_japanese.jpg
image/tchinese13c18a5c4372f35f45434881ba0fbe033809d54d/library_header_tchinese.jpg
image2x/english77a729f46bfc5439cf843de6abae9b6ad4e5965a/library_header_2x.jpg
image2x/schinese6c2facf51fcf969090ee2bb6d4cec6ab0883de92/library_header_schinese_2x.jpg
image2x/japanese255698e786708bdd5934922990ddd7935bc1f14a/library_header_japanese_2x.jpg
image2x/tchinese13c18a5c4372f35f45434881ba0fbe033809d54d/library_header_tchinese_2x.jpg
Assets
main_capsule3b3be3f09b487eb96468f9e69099041913f3fc0d/capsule_616x353.jpg
small_capsuledd216ecc173346521648ac80b1783b6507430263/capsule_231x87.jpg
header77a729f46bfc5439cf843de6abae9b6ad4e5965a/header.jpg
page_background4935cfe78429d4aad64a6c34a18322ed8a82e4c6/page_bg_v6.jpg
hero_capsulee74f6e1031c26a8ba55634a483e0af7ed5abc370/hero_capsule.jpg
hero_capsule_2xe74f6e1031c26a8ba55634a483e0af7ed5abc370/hero_capsule_2x.jpg
library_capsuleb217eac06a976168039dd3829782c2e8bb8efd5d/library_600x900.jpg
library_capsule_2xb217eac06a976168039dd3829782c2e8bb8efd5d/library_600x900_2x.jpg
library_hero40bd09cd3de0ceaec362c26ddb38b1aa723adefb/library_hero.jpg
library_hero_2x40bd09cd3de0ceaec362c26ddb38b1aa723adefb/library_hero_2x.jpg
community_iconb92c587cc66cf16d6a1343cc1f46410e34fb6708.jpg
page_background_pathapp/3782920
raw_page_background4935cfe78429d4aad64a6c34a18322ed8a82e4c6/page_bg_raw.jpg
timestamp20 October 2025 – 09:11:25 UTC

Trailer 928110 ↴

trailer_name Opening Movie
trailer_category 2
trailer_480p ↴
video/webm 257165164/movie480_vp9.webm
video/mp4 257165164/movie480.mp4
trailer_max ↴
video/webm 257165164/movie_max_vp9.webm
video/mp4 257165164/movie_max.mp4
microtrailer ↴
video/webm 3782920/1363226580/a03cc138f44edbefe5ca6232350484e01eef0b24/1751608847/microtrailer.webm
video/mp4 3782920/1363226580/a03cc138f44edbefe5ca6232350484e01eef0b24/1751608847/microtrailer.mp4
adaptive_trailers ↴
dash_av1 3782920/1363226580/a03cc138f44edbefe5ca6232350484e01eef0b24/1751608847/dash_av1.mpd
dash_h264 3782920/1363226580/a03cc138f44edbefe5ca6232350484e01eef0b24/1751608847/dash_h264.mpd
hls_h264 3782920/1363226580/a03cc138f44edbefe5ca6232350484e01eef0b24/1751608847/hls_264_master.m3u8
screenshot_medium 257165164/5447d1834a3e64faec449b88081ec5891553663b/movie_600x337.jpg
screenshot_full 257165164/5447d1834a3e64faec449b88081ec5891553663b/movie_full.jpg
all_ages true
is_highlight true
timestamp 8 July 2025 – 17:20:27 UTC
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