Lost Prototype
Playing now
0+0 vs. yesterday
0.0%of peak
All-time peak
129 Oct 2026
Update history
A permanent record of every observed change.
Playing now
0+0 vs. yesterday
All-time peak
129 Oct 2026
A permanent record of every observed change.
| Status | Key | Previous value | New value |
|---|---|---|---|
| Removed | Review percentagecommon.review_percentage | 90 | Removed from source |
| Removed | Review scorecommon.review_score | 7 | Removed from source |
| Status | Key | Previous value | New value |
|---|---|---|---|
| Branches · 7 | |||
| Added | Build ID on publicdepots.branches.public.buildid | — | 18765452 |
| Added | Build time on publicdepots.branches.public.timebuildupdated | — | 6 Jun 2025, 11:47:37 UTC1749210457 |
| Added | Updated time on publicdepots.branches.public.timeupdated | — | 6 Jun 2025, 11:57:08 UTC1749211028 |
| Added | Build ID on testingdepots.branches.testing.buildid | — | 17106285 |
| Added | Description of testingdepots.branches.testing.description | — | checkingforlaunching |
| Added | |||
| Build time on testingdepots.branches.testing.timebuildupdated |
| — |
| 23 Jan 2025, 14:18:35 UTC1737641915 |
| Added | Updated time on testingdepots.branches.testing.timeupdated | — | 30 Jan 2025, 16:05:56 UTC1738253156 |
| Depots · 7 |
| Added | Operating systemsdepots.3487181.config.oslist | — | windows |
| Added | Download size on publicdepots.3487181.manifests.public.download | — | 364.3 MB382029264 |
| Added | Manifest on publicdepots.3487181.manifests.public.gid | — | 8668199494174458526 |
| Added | Size on disk on publicdepots.3487181.manifests.public.size | — | 480.8 MB504133743 |
| Added | Download size on testingdepots.3487181.manifests.testing.download | — | 237.9 MB249461312 |
| Added | Manifest on testingdepots.3487181.manifests.testing.gid | — | 119202923446351584 |
| Added | Size on disk on testingdepots.3487181.manifests.testing.size | — | 353.8 MB370968767 |
| Store · 43 |
| Added | Association 0 · namecommon.associations.0.name | — | Unsorted Games |
| Added | Association 0 · typecommon.associations.0.type | — | developer |
| Added | Association 1 · namecommon.associations.1.name | — | Unsorted Games |
| Added | Association 1 · typecommon.associations.1.type | — | publisher |
| Added | category · category_2common.category.category_2 | — | 1 |
| Added | community_hub_visiblecommon.community_hub_visible | — | 1 |
| Added | controllertagwizardcommon.controllertagwizard | — | 1 |
| Added | Game IDcommon.gameid | — | 3487180 |
| Added | genres · 0common.genres.0 | — | 23 |
| Added | genres · 1common.genres.1 | — | 37 |
| Added | library_assets_full · library_logo · logo_position · height_pctcommon.library_assets_full.library_logo.logo_position.height_pct | — | 171.875 |
| Added | library_assets_full · library_logo · logo_position · pinned_positioncommon.library_assets_full.library_logo.logo_position.pinned_position | — | UpperCenter |
| Added | library_assets_full · library_logo · logo_position · width_pctcommon.library_assets_full.library_logo.logo_position.width_pct | — | 52.485474499677196 |
| Added | library_assets · library_capsulecommon.library_assets.library_capsule | — | en |
| Added | library_assets · library_headercommon.library_assets.library_header | — | en |
| Added | library_assets · library_herocommon.library_assets.library_hero | — | en |
| Added | library_assets · library_hero_blurcommon.library_assets.library_hero_blur | — | en |
| Added | library_assets · library_logocommon.library_assets.library_logo | — | en |
| Added | library_assets · logo_position · height_pctcommon.library_assets.logo_position.height_pct | — | 171.875 |
| Added | library_assets · logo_position · pinned_positioncommon.library_assets.logo_position.pinned_position | — | UpperCenter |
| Added | library_assets · logo_position · width_pctcommon.library_assets.logo_position.width_pct | — | 52.485474499677196 |
| Added | Namecommon.name | — | Lost Prototype |
| Added | Architecturecommon.osarch | — |
| Added | osextendedcommon.osextended | — |
| Added | Operating systemscommon.oslist | — | Windowswindows |
| Added | primary_genrecommon.primary_genre | — | 23 |
| Added | Release statecommon.releasestate | — | released |
| Added | Review percentagecommon.review_percentage | — | 90 |
| Added | Review scorecommon.review_score | — | 7 |
| Added | Steam release datecommon.steam_release_date | — | 20 Jun 2025, 08:59:37 UTC1750409977 |
| Added | store_asset_mtimecommon.store_asset_mtime | — | 1751134467 |
| Added | Store tagcommon.store_tags.0 | — | Horror1667 |
| Added | Store tagcommon.store_tags.1 | — | Singleplayer4182 |
| Added | Store tagcommon.store_tags.2 | — | Walking Simulator5900 |
| Added | Store tagcommon.store_tags.3 | — | First-Person3839 |
| Added | Store tagcommon.store_tags.4 | — | Linear7250 |
| Added | Store tagcommon.store_tags.5 | — | Adventure21 |
| Added | Store tagcommon.store_tags.6 | — | Free to Play113 |
| Added | Store tagcommon.store_tags.7 | — | Indie492 |
| Added | Typecommon.type | — | Game |
| Added | Developerextended.developer | — | Unsorted Games |
| Added | Free appextended.isfreeapp | — | 1 |
| Added | Publisherextended.publisher | — | Unsorted Games |
| Assets · 14 |
| Added | Client iconcommon.clienticon | — | 29c6a08cb2fa0f33661253bcd1ca4dbc5baca54f |
| Added | Client TGAcommon.clienttga | — | 2f60410862d658a9946e1a4520763cad8a017910 |
| Added | Header imagecommon.header_image.english | — | ed27beae…/header.jpg |
| Added | Iconcommon.icon | — | 1a0530fef580bae3927e90520c9d3f9a97fb0e77 |
| Added | library_capsule · image · englishcommon.library_assets_full.library_capsule.image.english | — | 0f23285f…/library_600x900.jpg |
| Added | library_capsule · image2x · englishcommon.library_assets_full.library_capsule.image2x.english | — | 0f23285f…/library_600x900_2x.jpg |
| Added | library_header · image · englishcommon.library_assets_full.library_header.image.english | — | fc4935ed…/library_header.jpg |
| Added | library_header · image2x · englishcommon.library_assets_full.library_header.image2x.english | — | fc4935ed…/library_header_2x.jpg |
| Added | library_hero_blur · image · englishcommon.library_assets_full.library_hero_blur.image.english | — | aa0866da…/library_hero_blur.jpg |
| Added | library_hero · image · englishcommon.library_assets_full.library_hero.image.english | — | aa0866da…/library_hero.jpg |
| Added | library_hero · image2x · englishcommon.library_assets_full.library_hero.image2x.english | — | aa0866da…/library_hero_2x.jpg |
| Added | library_logo · image · englishcommon.library_assets_full.library_logo.image.english | — | 55c7baa4…/logo.png |
| Added | library_logo · image2x · englishcommon.library_assets_full.library_logo.image2x.english | — | 55c7baa4…/logo_2x.png |
| Added | small_capsule · englishcommon.small_capsule.english | — | e2d01574…/capsule_231x87.jpg |
| Launch options · 5 |
| Added | Install directoryconfig.installdir | — | Prototype 1 The Rooms |
| Added | Launch option 0 · oslistconfig.launch.0.config.oslist | — | windows |
| Added | Launch option 0 · executableconfig.launch.0.executable | — | Lost_Prototype.exe |
| Added | Launch option 0 · typeconfig.launch.0.type | — | default |
| Added | uselaunchcommandlineconfig.uselaunchcommandline | — | 1 |
| Cloud saves · 2 |
| Added | Cloud max filesufs.maxnumfiles | — | 0 |
| Added | Cloud quotaufs.quota | — | 0 B0 |
| Localization · 3 |
| Added | English · full audiocommon.supported_languages.english.full_audio | — | true |
| Added | English · subtitlescommon.supported_languages.english.subtitles | — | true |
| Added | English · interfacecommon.supported_languages.english.supported | — | true |
| Other · 2 |
| Added | appid | — | 3487180 |
| Added | Depot base languagesdepots.baselanguages | — | english,french |