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Lost Prototype

Wishlist Follow Ignore Install Unwatch Watch
App ID 3487180
App Type Game
Developer
Publisher Unsorted Games
Supported Systems Windows
Technologies Unreal Engine
Last Changenumber 29664840
Last Record Update 20 June 2025 – 08:59:41 UTC ()
Release Date 20 June 2025 – 08:59:37 UTC ()
❓ 69.20%
4 reviews
0
In-Game

Lost Prototype is a walking simulator in which you have to find your way out of a maze under construction. But be aware, you're not alone in this place. Something is following you and wants to erase all your progress.

Additional Information

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

Developer Unsorted Games
ReleaseState released
Publisher Unsorted Games
IsFreeApp Yes
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 20 June 2025 – 08:59:37 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Indie (23)
Store Genres Indie (23), Free to Play (37)
Store Asset Modification Time 7 June 2025 – 20:22:39 UTC () (1749327759)
library_assets
library_capsuleen
library_heroen
library_hero_bluren
library_logoen
library_headeren
logo_position ↴
pinned_positionUpperCenter
width_pct52.485474499677196
height_pct171.875
osextended empty string
Is free on the store? Yes
Detected Technologies (?) Unreal Engine, Intel_OID SDK, Intel_oneTBB SDK, NVIDIA_Nsight_Aftermath SDK, Ogg SDK, Vorbis SDK, XAudio2 SDK
controllertagwizard Yes
First seen on SteamDB 23 January 2025 – 12:54:38 UTC (), in changelist #27130587

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes Yes Yes

Tags

😱 Horror 👤 Singleplayer 🚶 Walking Simulator 🙌 First-Person 📏 Linear 🗺️ Adventure 🆓 Free to Play 🌱 Indie

Categories

Single-player Steam is learning

Assets

Load all asset images
clienticon 29c6a08cb2fa0f33661253bcd1ca4dbc5baca54f
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icon 1a0530fef580bae3927e90520c9d3f9a97fb0e77
small_capsule
englishe2d01574c4bc0ed0aaf6d681a6c3b3bb5dc16281/capsule_231x87.jpg
header_image
englished27beae5bb1a80980a44054b0c05ea8d8efb9d1/header.jpg
library_assets_full
library_capsule ↴
image/english0f23285f499924cfb7b108f2a6afeeb73a36e4ba/library_600x900.jpg
image2x/english0f23285f499924cfb7b108f2a6afeeb73a36e4ba/library_600x900_2x.jpg
library_hero ↴
image2x/englishaa0866da090fb37bdc8fab6ae1b37cdfb9ac41fc/library_hero_2x.jpg
image/englishaa0866da090fb37bdc8fab6ae1b37cdfb9ac41fc/library_hero.jpg
library_hero_blur ↴
image/englishaa0866da090fb37bdc8fab6ae1b37cdfb9ac41fc/library_hero_blur.jpg
library_logo ↴
image/english55c7baa4dbe142a1702e1943b6d6debca42b59db/logo.png
image2x/english55c7baa4dbe142a1702e1943b6d6debca42b59db/logo_2x.png
logo_position/pinned_positionUpperCenter
logo_position/width_pct52.485474499677196
logo_position/height_pct171.875
library_header ↴
image/englishfc4935ed510e7e96260cbc83b0525d7ae232dda6/library_header.jpg
image2x/englishfc4935ed510e7e96260cbc83b0525d7ae232dda6/library_header_2x.jpg
Assets
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small_capsulee2d01574c4bc0ed0aaf6d681a6c3b3bb5dc16281/capsule_231x87.jpg
headered27beae5bb1a80980a44054b0c05ea8d8efb9d1/header.jpg
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hero_capsule5567e8a840f2f6359ba39a2f6149d1b74ad94ae0/hero_capsule.jpg
hero_capsule_2x5567e8a840f2f6359ba39a2f6149d1b74ad94ae0/hero_capsule_2x.jpg
library_capsule0f23285f499924cfb7b108f2a6afeeb73a36e4ba/library_600x900.jpg
library_capsule_2x0f23285f499924cfb7b108f2a6afeeb73a36e4ba/library_600x900_2x.jpg
library_heroaa0866da090fb37bdc8fab6ae1b37cdfb9ac41fc/library_hero.jpg
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community_icon1a0530fef580bae3927e90520c9d3f9a97fb0e77.jpg
page_background_pathapp/3487180
raw_page_background77b47e16fb4a608a0bb7573282bfdd5a59cbffb7/page_bg_raw.jpg
timestamp20 June 2025 – 08:59:38 UTC
Trailers
257128121 ↴
trailer_nameSmall trailer
trailer_category2
trailer_480p/video/webm257128121/movie480_vp9.webm
trailer_480p/video/mp4257128121/movie480.mp4
trailer_max/video/webm257128121/movie_max_vp9.webm
trailer_max/video/mp4257128121/movie_max.mp4
microtrailer/video/webm257128121/microtrailer.webm
microtrailer/video/mp4257128121/microtrailer.mp4
screenshot_medium257128121/33acce12aa10658b5bd64a387b82e831f4c986f4/movie_600x337.jpg
screenshot_full257128121/33acce12aa10658b5bd64a387b82e831f4c986f4/movie_full.jpg
trailer_base_id873599
all_agestrue
is_highlighttrue
timestamp1749201532

User File System

Key Value
quota 0
maxnumfiles 0

Save File Locations

This app does not have Steam Auto-Cloud configured, which likely means save files are in [Steam Install]/userdata/{Steam3AccountID}/3487180/ folder.

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