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The Diary

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App ID 2343880
App Type Game
Developer ,
Publisher IndieArk
Franchise IndieArk
Supported Systems Windows macOS
Technologies Unity Engine
Last Changenumber 31893269
Last Record Update 25 October 2025 – 00:18:38 UTC ()
Release Date 20 June 2025 – 08:59:48 UTC ()
❓ 64.93%
183 reviews
1
In-Game
😌 Casual 🧞 Choices Matter 📚 Story Rich 👩 Female Protagonist 💘 Romance

Several diaries gradually reveal the thrilling story of a missing case; after multiple deductions, are the answers in the past or present? With frequent plot twists, you never know which is the truth and which is the unexpected; in a dense fog, time buries the past, but the marks remain.

ACTION! Shape the Story at the Immersive Storylines Game Festival

Steam price history

Current Price $15.99
Lowest Recorded Price $14.39 at -10% 20 June 2025
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $15.99 $15.99 $14.39 $14.39 at -10%
South Asia - USD $7.29 $7.29 -54.41% $6.56 $6.56 at -10%
Russian Ruble 590 ₽ $7.37 -53.85% $6.64 531 ₽ at -10%
Chinese Yuan ¥ 54 $7.59 -52.50% $6.83 ¥ 48.60 at -10%
Ukrainian Hryvnia 340₴ $8.08 -49.44% $7.27 306₴ at -10%
Kazakhstani Tenge 4300₸ $8.09 -49.40% $7.28 3870₸ at -10%
Vietnamese Dong 215000₫ $8.17 -48.89% $7.35 193500₫ at -10%
Indian Rupee ₹ 730 $8.22 -48.54% $7.40 ₹ 657 at -10%
Indonesian Rupiah Rp 139999 $8.42 -47.34% $7.57 Rp 125999 at -10%
LATAM - U.S. Dollar $8.49 $8.49 -46.90% $7.64 $7.64 at -10%
MENA - U.S. Dollar $8.49 $8.49 -46.90% $7.64 $7.64 at -10%
Philippine Peso ₱509.00 $8.64 -45.91% $7.78 ₱458.10 at -10%
South African Rand R 155.00 $8.95 -43.98% $8.06 R 139.50 at -10%
CIS - U.S. Dollar $8.99 $8.99 -43.78% $8.09 $8.09 at -10%
Taiwan Dollar NT$ 278 $9.05 -43.40% $8.13 NT$ 250 at -10%
Saudi Riyal 34.49 SR $9.19 -42.49% $8.27 31.04 SR at -10%
Brazilian Real R$ 49,99 $9.28 -41.94% $8.35 R$ 44,99 at -10%
Chilean Peso CLP$ 8800 $9.33 -41.61% $8.40 CLP$ 7920 at -10%
Kuwaiti Dinar 2.90 KD $9.45 -40.89% $8.50 2.61 KD at -10%
Malaysian Ringgit RM40.50 $9.66 -39.59% $8.69 RM36.45 at -10%
Qatari Riyal 35.99 QR $9.85 -38.38% $8.86 32.39 QR at -10%
Colombian Peso COL$ 39500 $10.17 -36.39% $9.15 COL$ 35550 at -10%
Mexican Peso Mex$ 188.99 $10.19 -36.27% $9.17 Mex$ 170.09 at -10%
Thai Baht ฿330.00 $10.20 -36.18% $9.18 ฿297.00 at -10%
Peruvian Sol S/.36.00 $10.59 -33.77% $9.53 S/.32.40 at -10%
Singapore Dollar S$15.00 $11.53 -27.86% $10.38 S$13.50 at -10%
Japanese Yen ¥ 1800 $11.69 -26.86% $10.52 ¥ 1620 at -10%
U.A.E. Dirham 43.00 AED $11.70 -26.78% $10.53 38.70 AED at -10%
Uruguayan Peso $U485 $12.15 -23.96% $10.93 $U436 at -10%
South Korean Won ₩ 17500 $12.27 -23.25% $11.04 ₩ 15750 at -10%
Hong Kong Dollar HK$ 102.00 $13.13 -17.88% $11.81 HK$ 91.80 at -10%
New Zealand Dollar NZ$ 23.49 $13.44 -15.91% $12.10 NZ$ 21.14 at -10%
Costa Rican Colon ₡6900 $13.73 -14.13% $12.35 ₡6210 at -10%
Canadian Dollar CDN$ 20.79 $14.85 -7.07% $13.37 CDN$ 18.71 at -10%
Australian Dollar A$ 23.50 $15.37 -3.87% $13.83 A$ 21.15 at -10%
British Pound £13.49 $17.73 +10.94% $15.96 £12.14 at -10%
Norwegian Krone 179,00 kr $17.79 +11.26% $16.01 161,10 kr at -10%
Israeli New Shekel ₪58.95 $18.10 +13.26% $16.29 ₪53.05 at -10%
Euro 15,79€ $18.26 +14.23% $16.43 14,21€ at -10%
Polish Zloty 72,99zł $19.89 +24.41% $17.90 65,69zł at -10%
Swiss Franc CHF 17.79 $22.18 +38.75% $19.96 CHF 16.01 at -10%
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 HuCang Studio
community_visible_stats Yes
ReleaseState released
Publisher IndieArk
Store Release Date 20 June 2025 – 09:00:03 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://discord.gg/N5B44cezHm
https://qm.qq.com/cgi-bin/qm/qr?_wv=1027&k=leD4BSVAMsXtHjNxBlIY9F7AtH_qZZe3&authKey=R6byHI8JCrpnuAf4FZPSrNM0hhFffrl07nUx85B2zPJQZFZ0I0xuJQtit2BoyFlj&noverify=0&group_code=337179598
https://space.bilibili.com/3493293495159537
https://weibo.com/u/6636085745
Primary Genre Indie (23)
Store Genres Casual (4), Indie (23), RPG (3), Simulation (28)
Steam Release Date 20 June 2025 – 08:59:48 UTC ()
Store Asset Modification Time 20 June 2025 – 10:25:20 UTC () (1750415120)
library_assets
library_capsuleen,zh-cn,ja
library_heroen,zh-cn
library_logoen,zh-cn,ja
library_headeren,ja,zh-cn
logo_position ↴
pinned_positionBottomLeft
width_pct73.80166973313274
height_pct63.00213652867225
osextended macos64
name_localized
schinese她的日记
tchinese她的日記
japanese彼女の日記
review_score 5
review_percentage 68
Detected Technologies (?) Unity Engine, FMOD SDK, Resonance_Audio SDK, UnityBurst SDK, cURL SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some in-game text is small and may be difficult to read
  • All functionality is accessible when using the default controller configuration
  • This game shows Steam Deck controller icons
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 18 October 2025 – 00:00:00 UTC
  • tested_build_id: 18949349
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text1
    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
First seen on SteamDB 3 March 2023 – 12:03:26 UTC (), in changelist #17941731

Supported Languages

3 Languages Interface Full Audio Subtitles Achievements
Simplified Chinese Yes Yes Yes
English Yes Yes Yes
Japanese Yes Yes Yes

Assets

Load all asset images
clienticon cc48ee9e919eccf6aac9a9095c8b7b62a17542e1
clienttga 3add3288162e7165053077cbd1d20d9040d32651
icon 9ddf4f974ef86255b61c7d850e0522355c7f01a6
small_capsule
englishcapsule_231x87.jpg
schinesecapsule_231x87_schinese.jpg
japanesecapsule_231x87_japanese.jpg
header_image
englishheader.jpg
schineseheader_schinese.jpg
japaneseheader_japanese.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image/schineselibrary_600x900_schinese.jpg
image/japaneselibrary_600x900_japanese.jpg
image2x/englishlibrary_600x900_2x.jpg
image2x/schineselibrary_600x900_schinese_2x.jpg
image2x/japaneselibrary_600x900_japanese_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image/schineselibrary_hero_schinese.jpg
image2x/englishlibrary_hero_2x.jpg
image2x/schineselibrary_hero_schinese_2x.jpg
library_logo ↴
logo_position/pinned_positionBottomLeft
logo_position/width_pct73.80166973313274
logo_position/height_pct63.00213652867225
image/englishlogo.png
image/schineselogo_schinese.png
image/japaneselogo_japanese.png
image2x/englishlogo_2x.png
image2x/schineselogo_schinese_2x.png
image2x/japaneselogo_japanese_2x.png
library_header ↴
image/english1c80a03884520a3bd1c3a3a375256b7843ce285f/library_header.jpg
image/japanese11741bba5f16c8eaa7a17bb5e73210fc2233fe20/library_header_japanese.jpg
image/schinesef0a93715dde82dfe15bfda274e7c3c1d80691103/library_header_schinese.jpg
image2x/english1c80a03884520a3bd1c3a3a375256b7843ce285f/library_header_2x.jpg
image2x/japanese11741bba5f16c8eaa7a17bb5e73210fc2233fe20/library_header_japanese_2x.jpg
image2x/schinesef0a93715dde82dfe15bfda274e7c3c1d80691103/library_header_schinese_2x.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icon9ddf4f974ef86255b61c7d850e0522355c7f01a6.jpg
page_background_pathapp/2343880
raw_page_backgroundpage_bg_raw.jpg
timestamp20 June 2025 – 10:25:32 UTC

Trailer 919280 ↴

trailer_name Released Trailer
trailer_category 3
trailer_480p ↴
video/webm 257159059/movie480_vp9.webm
video/mp4 257159059/movie480.mp4
trailer_max ↴
video/webm 257159059/movie_max_vp9.webm
video/mp4 257159059/movie_max.mp4
microtrailer ↴
video/webm 2343880/1148088281/01a8c09a51a6322acdf4396ba72fc1ca856158f2/1750389713/microtrailer.webm
video/mp4 2343880/1148088281/01a8c09a51a6322acdf4396ba72fc1ca856158f2/1750389713/microtrailer.mp4
adaptive_trailers ↴
dash_av1 2343880/1148088281/01a8c09a51a6322acdf4396ba72fc1ca856158f2/1750389713/dash_av1.mpd
dash_h264 2343880/1148088281/01a8c09a51a6322acdf4396ba72fc1ca856158f2/1750389713/dash_h264.mpd
hls_h264 2343880/1148088281/01a8c09a51a6322acdf4396ba72fc1ca856158f2/1750389713/hls_264_master.m3u8
screenshot_medium 257159059/cb383f83f6791c8f79bfc7e221bfad578b72de7a/movie_600x337.jpg
screenshot_full 257159059/cb383f83f6791c8f79bfc7e221bfad578b72de7a/movie_full.jpg
all_ages true
is_highlight true
timestamp 20 June 2025 – 08:59:52 UTC

Trailer 586053 ↴

trailer_name The Diary EN
trailer_category 0
trailer_480p ↴
video/webm 256957396/movie480_vp9.webm
video/mp4 256957396/movie480.mp4
trailer_max ↴
video/webm 256957396/movie_max_vp9.webm
video/mp4 256957396/movie_max.mp4
microtrailer ↴
video/webm 2343880/586053/5053f23cc1838933f3275692fbc9559641a43bd1/1750812369/microtrailer.webm
video/mp4 2343880/586053/5053f23cc1838933f3275692fbc9559641a43bd1/1750812369/microtrailer.mp4
adaptive_trailers ↴
dash_av1 2343880/586053/5053f23cc1838933f3275692fbc9559641a43bd1/1750812369/dash_av1.mpd
dash_h264 2343880/586053/5053f23cc1838933f3275692fbc9559641a43bd1/1750812369/dash_h264.mpd
hls_h264 2343880/586053/5053f23cc1838933f3275692fbc9559641a43bd1/1750812369/hls_264_master.m3u8
screenshot_medium 256957396/movie.293x165.jpg
screenshot_full 256957396/movie_full.jpg
all_ages true
timestamp 10 July 2023 – 09:02:48 UTC
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