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Portal: Lost in Aperture

Wishlist Follow Ignore Install Unwatch Watch
App ID 3043220
App Type Game
Developer
Publisher Innoarchitect kft
Supported Systems Windows Linux
Technologies Source Engine
Last Changenumber 29689792
Last Record Update 22 June 2025 – 11:55:22 UTC ()
Release Date 2 September 2024 – 14:00:00 UTC ()
Parent App Portal (400)
❓ 55.09%
170 reviews
1
In-Game

This is a mod for Portal 1. Includes new maps, storyline, a whole new Portal experience. This game take place in an Aperture laboratory in Eastern-Europe.

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer Innoarchitect kft
section_type ownersonly
ReleaseState released
Publisher Innoarchitect kft
IsFreeApp Yes
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 2 September 2024 – 14:00:00 UTC ()
osarch empty string
community_hub_visible Yes
Social Media https://www.youtube.com/@lostinapertureofficial
Primary Genre Free to Play (37)
Store Genres Action (1), Adventure (25), Casual (4), Indie (23), Strategy (2), Free to Play (37)
Steam Release Date 2 September 2024 – 14:00:00 UTC ()
Store Asset Modification Time 27 March 2025 – 18:36:17 UTC () (1743100577)
library_assets
library_capsuleen
library_heroen
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct19.00291668616032
height_pct30.34957278731811
osextended empty string
Is free on the store? Yes
review_score 5
review_percentage 56
Detected Technologies (?) Source Engine, Autodesk_FBX SDK, Bink_Video SDK, CEF SDK, Miles_Sound_System SDK, SDL SDK
Content Descriptors General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 7 June 2024 – 13:34:00 UTC (), in changelist #23873400
Content Descriptors (Including DLC) General Mature Content (5)

Supported Languages

2 Languages Interface Full Audio Subtitles Achievements
English Yes Yes Yes Yes
Hungarian Yes Yes

Tags

💡 Strategy 💥 Action 🗺️ Adventure 🆓 Free to Play 🌱 Indie 😌 Casual 🧩 Puzzle 🚶 Walking Simulator 🧩 Puzzle Platformer 🧊 3D 🙌 First-Person 🌱 Realistic 🌆 Futuristic 🧩 Logic 💻 Modern 🤫 Mystery 📏 Linear 🔧 Mod 👤 Singleplayer

Categories

Single-player Captions available Includes Source SDK Profile Features Limited

Assets

Load all asset images
clienticon 1432a94a6680b79a590cda4bde6eefdd218abffb
clienttga 45ecf51dc9c29e6534e34adc42a1398260476af5
icon 86674a2ad98dd3b3f209485a947e525cea3ebdb3
LinuxClientIcon d38a2cb0d115bfed5d82ca19b1a6f0ef804b418c
small_capsule
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header_image
english8c3997baad28006a52149de5c3219d48ad9576df/header.jpg
library_assets_full
library_capsule ↴
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image2x/english624fbb0cfdc84227492ddf6f7408599440247c56/library_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
logo_position/pinned_positionBottomLeft
logo_position/width_pct19.00291668616032
logo_position/height_pct30.34957278731811
image/english21f22966417c1d14f80eba12b982bcc37d102b36/logo.png
image2x/english21f22966417c1d14f80eba12b982bcc37d102b36/logo_2x.png
library_header ↴
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image2x/english97d4082839f15a194e146f37f23070a3445e1dd7/library_header_2x.jpg
Assets
main_capsule55957948a1214474efec40e31fa414ab94d7d559/capsule_616x353.jpg
small_capsule187a96b776a9c23bef61d4b7294321c8fb7f5e29/capsule_231x87.jpg
header8c3997baad28006a52149de5c3219d48ad9576df/header.jpg
hero_capsuleedc3c97c237a3e395f015450c5a2c5cd9d2ed02c/hero_capsule.jpg
hero_capsule_2xedc3c97c237a3e395f015450c5a2c5cd9d2ed02c/hero_capsule_2x.jpg
library_capsule624fbb0cfdc84227492ddf6f7408599440247c56/library_600x900.jpg
library_capsule_2x624fbb0cfdc84227492ddf6f7408599440247c56/library_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icon86674a2ad98dd3b3f209485a947e525cea3ebdb3.jpg
page_background_pathapp/3043220
timestamp27 March 2025 – 18:36:25 UTC
Trailers
257114172 ↴
trailer_nameTrailer Video 2
trailer_category1
trailer_480p/video/webm257114172/movie480_vp9.webm
trailer_480p/video/mp4257114172/movie480.mp4
trailer_max/video/webm257114172/movie_max_vp9.webm
trailer_max/video/mp4257114172/movie_max.mp4
microtrailer/video/webm3043220/850754/71f1e09d6614784466b3539358c2a2d95fdbe767/1750962984/microtrailer.webm
microtrailer/video/mp43043220/850754/71f1e09d6614784466b3539358c2a2d95fdbe767/1750962984/microtrailer.mp4
screenshot_medium257114172/966428dba92f2f5c73379a0c000cfdb36f57c517/movie_600x337.jpg
screenshot_full257114172/966428dba92f2f5c73379a0c000cfdb36f57c517/movie_full.jpg
trailer_base_id850754
all_agestrue
is_highlighttrue
timestamp1741896343

Depots

ID Configuration Size DL.
3043221 10.35 GiB 5.03 GiB

Total size on disk is 10.35 GiB and total download size is 5.03 GiB.

Branches

Name Description Build ID Time Updated
public 18955386 22 June 2025 – 11:55:20 UTC

Other

Name Value
baselanguages English
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