Skip to content
POPULAR TODAY AION 2 Deadlock Gears of War: E-Day Marathon The Witcher 3: Wild Hunt — Remastered WARDOGS
Enter Submit to view all results. Ctrl+Enter View and filter in instant search.
Close ×
Search powered by Algolia

AI: The Somnium Files

Wishlist Follow Ignore Launch Unwatch Watch
App ID 948740
App Type Game
Developer
Publisher Spike Chunsoft Co., Ltd.
Supported Systems Windows
Technologies Unity Engine
Last Changenumber 39035302
Last Record Update 20 September 2026 – 09:05:08 UTC ()
Release Date 18 September 2019 – 00:45:00 UTC ()
😎 88.85%
9k reviews
38
In-Game
📚 Visual Novel 🌸 Anime 🤫 Mystery 📚 Story Rich 🕵️ Detective

Play as detective Kaname Date on the case of an elusive serial killer in this thrilling, sci-fi murder mystery.

Steam price history

Special Promotion, ends 8 October 2026
Current Price -80% $3.99
Lowest Recorded Price -90% $3.99 16 January 2025
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar -80% $3.99 $3.99 $3.99 -90% $3.99
SASIA - U.S. Dollar -80% $1.63 $1.63 -59.15% $1.29 -90% $1.29
Indian Rupee -80% ₹ 176 $1.82 -54.18% $0.92 -90% ₹ 89
Ukrainian Hryvnia -80% 83₴ $1.84 -53.71% $1.04 -90% 47₴
Philippine Peso -80% ₱123.00 $1.96 -50.78% $1.94 -90% ₱121.99
Vietnamese Dong -80% 52000₫ $2.00 -49.86% $1.84 -90% 48000₫
CIS - U.S. Dollar -80% $2.09 $2.09 -47.62% $1.84 -90% $1.84
Kuwaiti Dinar -80% 0.67 KD $2.16 -45.63% $2.10 -90% 0.65 KD
Saudi Riyal -80% 8.19 SR $2.17 -45.47% $1.59 -90% 5.99 SR
South African Rand -80% R 37.00 $2.21 -44.42% $1.31 -90% R 21.90
Kazakhstani Tenge -80% 1040₸ $2.34 -41.22% $1.05 -90% 470₸
Qatari Riyal -80% 8.79 QR $2.41 -39.56% $2.08 -90% 7.59 QR
Chinese Yuan -80% ¥ 18 $2.68 -32.71% $2.66 -90% ¥ 17.90
Brazilian Real -80% R$ 14,50 $2.77 -30.47% $1.44 -90% R$ 7,54
Japanese Yen -80% ¥ 440 $2.78 -30.13% $2.78 -90% ¥ 440
U.A.E. Dirham -80% 10.60 AED $2.88 -27.66% $2.85 -90% 10.50 AED
Uruguayan Peso -80% $U119 $2.95 -26.00% $1.96 -90% $U79
Thai Baht -80% ฿104.80 $3.11 -21.83% $3.03 -90% ฿101.90
Indonesian Rupiah -80% Rp 55800 $3.12 -21.80% $2.34 -90% Rp 42000
Singapore Dollar -80% S$4.05 $3.16 -20.66% $3.16 -80% S$4.05
South Korean Won -80% ₩ 4300 $3.18 -20.29% $3.03 -90% ₩ 4100
New Zealand Dollar -80% NZ$ 5.79 $3.24 -18.58% $2.79 -90% NZ$ 4.99
Russian Ruble -80% 274 ₽ $3.28 -17.63% $2.45 -90% 205 ₽
Canadian Dollar -80% CDN$ 5.19 $3.65 -8.51% $3.19 -90% CDN$ 4.54
Taiwan Dollar -80% NT$ 118 $3.69 -7.33% $3.10 -90% NT$ 99
Costa Rican Colon -80% ₡1700 $3.71 -6.82% $3.47 -90% ₡1590
Hong Kong Dollar -80% HK$ 29.60 $3.77 -5.46% $3.04 -90% HK$ 23.90
Chilean Peso -80% CLP$ 3800 $3.87 -2.98% $1.51 -90% CLP$ 1490
Malaysian Ringgit -80% RM16.09 $3.93 -1.26% $3.13 -90% RM12.80
LATAM - U.S. Dollar -80% $3.99 $3.99 $1.89 -90% $1.89
MENA - U.S. Dollar -80% $3.99 $3.99 $1.89 -90% $1.89
Australian Dollar -80% A$ 5.90 $4.09 +2.52% $3.94 -90% A$ 5.69
British Pound -80% £3.19 $4.21 +5.59% $4.21 -80% £3.19
Peruvian Sol -80% S/.15.00 $4.32 +8.38% $1.98 -90% S/.6.90
Mexican Peso -80% Mex$ 80.56 $4.40 +10.49% $2.01 -90% Mex$ 36.79
Euro -80% 3,99€ $4.48 +12.47% $4.48 -90% 3,99€
Norwegian Krone -80% 44,00 kr $4.57 +14.60% $2.89 -90% 27,90 kr
Polish Zloty 18,39zł $4.72 +18.48% $3.67 -90% 14,29zł
Israeli New Shekel -80% ₪14.79 $4.81 +20.67% $4.81 -80% ₪14.79
Swiss Franc -80% CHF 4.39 $5.29 +32.62% $4.76 -90% CHF 3.95
Colombian Peso -80% COL$ 17600 $5.29 +32.65% $1.63 -90% COL$ 5450
Valve suggested prices are shown on package pages.

Price history

Initializing price history graph…

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 Spike Chunsoft Co., Ltd.
metacritic_name AI: The Somnium Files
controller_support partial
community_visible_stats Yes
ReleaseState released
Publisher Spike Chunsoft Co., Ltd.
Store Release Date 18 September 2019 – 00:46:00 UTC ()
osarch 64
community_hub_visible Yes
Primary Genre Adventure (25)
Store Genres Adventure (25)
Steam Release Date 18 September 2019 – 00:45:00 UTC ()
Store Asset Modification Time 18 June 2025 – 04:36:11 UTC () (1750221371)
library_assets
library_capsuleen,ja
library_heroen
library_logoen,ja
logo_position ↴
pinned_positionCenterCenter
width_pct59.38106947922236
height_pct85.3576208471107
osextended empty string
name_localized
japaneseAI: ソムニウム ファイル
tchineseAI：夢境檔案
review_score 8
review_percentage 91
Detected Technologies Unity Engine, Autodesk_FBX SDK, Mono SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game's launcher/setup tool may require the touchscreen or virtual keyboard, or have difficult to read text
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • This game supports Steam Deck's native display resolution but does not set it by default 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's launcher/setup tool may require a touchscreen or virtual keyboard, or have difficult to read text
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • steam_machine_compatibility: 2
  • test_timestamp: 23 September 2023 – 00:00:00 UTC
  • tested_build_id: 4031380
  • steam_machine_tests:
    0 ↴
    display3
    token#SteamMachine_TestResult_LauncherInteractionIssues
    1 ↴
    display3
    token#SteamMachine_TestResult_ControllerGlyphsDoNotMatchDevice
    2 ↴
    display4
    token#SteamMachine_TestResult_DefaultControllerConfigFullyFunctional
    3 ↴
    display4
    token#SteamMachine_TestResult_DefaultConfigurationIsPerformant
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav1
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-stable
    requires_h2641
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
    requires_proton_soundfonts0
Content Descriptors Frequent Violence or Gore (2), General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 19 September 2018 – 06:25:58 UTC (), in changelist #5106902
Content Descriptors (Including DLC) Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

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

Assets

Load all asset images
clienticon 85eba7a3c7920873a738d4ff7cbf08db41e8ad18
clienttga 581f4c56427c2f077d24aa3fde894994c66ef8e8
icon 7150721d70b5302de5cdc62e99a3bfb5f5675119
logo 4b9d83742b04a3acfbb152c1a533f9914b720a96
logo_small 4b9d83742b04a3acfbb152c1a533f9914b720a96_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image/japaneselibrary_600x900_japanese.jpg
image2x/englishlibrary_600x900_2x.jpg
image2x/japaneselibrary_600x900_japanese_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
logo_position/pinned_positionCenterCenter
logo_position/width_pct59.38106947922236
logo_position/height_pct85.3576208471107
image/englishlogo.png
image/japaneselogo_japanese.png
image2x/englishlogo_2x.png
image2x/japaneselogo_japanese_2x.png
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.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_icon7150721d70b5302de5cdc62e99a3bfb5f5675119.jpg
page_background_pathapp/948740
last_modified18 June 2025 – 04:37:25 UTC
timestamp18 June 2025 – 04:37:25 UTC

Trailer 350507 ↴

trailer_name Investigation Trailer (ENG)
trailer_category 0
microtrailer ↴
video/webm 948740/350507/8e53f84cca8d502498aa2f58661b2eb301f75d0b/1750599705/microtrailer.webm
video/mp4 948740/350507/8e53f84cca8d502498aa2f58661b2eb301f75d0b/1750599705/microtrailer.mp4
adaptive_trailers ↴
dash_av1 948740/350507/8e53f84cca8d502498aa2f58661b2eb301f75d0b/1750599705/dash_av1.mpd
dash_h264 948740/350507/8e53f84cca8d502498aa2f58661b2eb301f75d0b/1750599705/dash_h264.mpd
hls_h264 948740/350507/8e53f84cca8d502498aa2f58661b2eb301f75d0b/1750599705/hls_264_master.m3u8
screenshot_medium 256823905/movie.293x165.jpg
screenshot_full 256823905/movie_full.jpg
all_ages true
is_highlight true
timestamp 26 February 2021 – 23:44:40 UTC

Trailer 243415 ↴

trailer_name Release Trailer (ENG)
trailer_category 0
microtrailer ↴
video/webm 948740/243415/c718f51fb0f712f97269cd94ed8ed38751a112ad/1750599668/microtrailer.webm
video/mp4 948740/243415/c718f51fb0f712f97269cd94ed8ed38751a112ad/1750599668/microtrailer.mp4
adaptive_trailers ↴
dash_av1 948740/243415/c718f51fb0f712f97269cd94ed8ed38751a112ad/1750599668/dash_av1.mpd
dash_h264 948740/243415/c718f51fb0f712f97269cd94ed8ed38751a112ad/1750599668/dash_h264.mpd
hls_h264 948740/243415/c718f51fb0f712f97269cd94ed8ed38751a112ad/1750599668/hls_264_master.m3u8
screenshot_medium 256762221/movie.293x165.jpg
screenshot_full 256762221/movie_full.jpg
all_ages true
is_highlight true
timestamp 26 February 2021 – 23:44:47 UTC

Trailer 240336 ↴

trailer_name Character Trailer (ENG)
trailer_category 0
microtrailer ↴
video/webm 948740/240336/c1da318559407dbfa85abb29c0f570c24846e198/1750599658/microtrailer.webm
video/mp4 948740/240336/c1da318559407dbfa85abb29c0f570c24846e198/1750599658/microtrailer.mp4
adaptive_trailers ↴
dash_av1 948740/240336/c1da318559407dbfa85abb29c0f570c24846e198/1750599658/dash_av1.mpd
dash_h264 948740/240336/c1da318559407dbfa85abb29c0f570c24846e198/1750599658/dash_h264.mpd
hls_h264 948740/240336/c1da318559407dbfa85abb29c0f570c24846e198/1750599658/hls_264_master.m3u8
screenshot_medium 256760373/movie.293x165.jpg
screenshot_full 256760373/movie_full.jpg
all_ages true
is_highlight true
timestamp 26 February 2021 – 23:44:55 UTC

Trailer 229992 ↴

trailer_name Somnium Trailer (ENG)
trailer_category 0
microtrailer ↴
video/webm 948740/229992/1a640d94a4be79618c75e739c570e7a253a7d27b/1750599628/microtrailer.webm
video/mp4 948740/229992/1a640d94a4be79618c75e739c570e7a253a7d27b/1750599628/microtrailer.mp4
adaptive_trailers ↴
dash_av1 948740/229992/1a640d94a4be79618c75e739c570e7a253a7d27b/1750599628/dash_av1.mpd
dash_h264 948740/229992/1a640d94a4be79618c75e739c570e7a253a7d27b/1750599628/dash_h264.mpd
hls_h264 948740/229992/1a640d94a4be79618c75e739c570e7a253a7d27b/1750599628/hls_264_master.m3u8
screenshot_medium 256754474/movie.293x165.jpg
screenshot_full 256754474/movie_full.jpg
all_ages true
is_highlight true
timestamp 1 March 2021 – 00:17:22 UTC

Trailer 222704 ↴

trailer_name GDC Trailer (ENG)
trailer_category 0
microtrailer ↴
video/webm 948740/222704/bcc3869f09356d7334118954b92c9f1d2a40781d/1750599610/microtrailer.webm
video/mp4 948740/222704/bcc3869f09356d7334118954b92c9f1d2a40781d/1750599610/microtrailer.mp4
adaptive_trailers ↴
dash_av1 948740/222704/bcc3869f09356d7334118954b92c9f1d2a40781d/1750599610/dash_av1.mpd
dash_h264 948740/222704/bcc3869f09356d7334118954b92c9f1d2a40781d/1750599610/dash_h264.mpd
hls_h264 948740/222704/bcc3869f09356d7334118954b92c9f1d2a40781d/1750599610/hls_264_master.m3u8
screenshot_medium 256750458/movie.293x165.jpg
screenshot_full 256750458/movie_full.jpg
all_ages true
is_highlight true
timestamp 26 February 2021 – 23:45:02 UTC

Trailer 212517 ↴

trailer_name Teaser Trailer
trailer_category 0
microtrailer ↴
video/webm 948740/212517/620d7ca7b23a6a8c1979e53b10338767b5828acb/1750599576/microtrailer.webm
video/mp4 948740/212517/620d7ca7b23a6a8c1979e53b10338767b5828acb/1750599576/microtrailer.mp4
adaptive_trailers ↴
dash_av1 948740/212517/620d7ca7b23a6a8c1979e53b10338767b5828acb/1750599576/dash_av1.mpd
dash_h264 948740/212517/620d7ca7b23a6a8c1979e53b10338767b5828acb/1750599576/dash_h264.mpd
hls_h264 948740/212517/620d7ca7b23a6a8c1979e53b10338767b5828acb/1750599576/hls_264_master.m3u8
screenshot_medium 256744827/movie.293x165.jpg
screenshot_full 256744827/movie_full.jpg
all_ages true
is_highlight true
timestamp 21 March 2019 – 23:01:49 UTC
Open link