Lost In The Backrooms: Day 100
Playing now
0+0 vs. yesterday
0.0%of peak
All-time peak
312 Sep 2026
Update history
A permanent record of every observed change.
Playing now
0+0 vs. yesterday
All-time peak
312 Sep 2026
A permanent record of every observed change.
| Status | Key | Previous value | New value |
|---|---|---|---|
| Added | achievement1 | — | First of many... — Escape level 0 in singleplayer |
| Added | achievement10 | — | Courtyard of windows — Enter level 188 in singleplayer |
| Added | achievement11 | — | The flooded windows — Enter level 188.8 in singleplayer |
| Added | achievement12 | — | It's not real — Noclip to level 0 in singleplayer |
| Added | achievement13 | — | The deepest poolrooms — Enter level 37.1 in singleplayer |
| Added | achievement14 | — | Is this the end? — Enter level the end in singleplayer |
| Added | achievement15 | — | The staircase — Enter level 9223372036854775807 |
| Added | achievement16 | — | Bad ending |
| Added | achievement17 | — | Canon ending — All luck. |
| Added | achievement18 | — | First time tasting almond water — Crack open an almond water can |
| Added | achievement19 | — | You cheated. — Someone is coming. |
| Added | achievement2 | — | That's a lot of doors — Unlock the door and escape level 1 in singleplayer |
| Status | Key | Previous value | New value |
|---|---|---|---|
| Branches · 3 | |||
| Added | Build ID on publicdepots.branches.public.buildid | — | 23496332 |
| Added | Build time on publicdepots.branches.public.timebuildupdated | — | 31 May 2026, 18:02:25 UTC1780250545 |
| Added | Updated time on publicdepots.branches.public.timeupdated | — | 31 May 2026, 18:02:53 UTC1780250573 |
| Depots · 27 | |||
| Depot 228989 | |||
| Added |
| Operating systemsdepots.228989.config.oslist |
| — |
| windows |
| Added | Depot from appdepots.228989.depotfromapp | — | 228980 |
| Added | Shared installdepots.228989.sharedinstall | — | 1 |
| Depot 228990 |
| Added | Operating systemsdepots.228990.config.oslist | — | windows |
| Added | Depot from appdepots.228990.depotfromapp | — | 228980 |
| Added | Shared installdepots.228990.sharedinstall | — | 1 |
| Depot 229007 |
| Added | Operating systemsdepots.229007.config.oslist | — | windows |
| Added | Depot from appdepots.229007.depotfromapp | — | 228980 |
| Added | Shared installdepots.229007.sharedinstall | — | 1 |
| Depot 229020 |
| Added | Operating systemsdepots.229020.config.oslist | — | windows |
| Added | Depot from appdepots.229020.depotfromapp | — | 228980 |
| Added | Shared installdepots.229020.sharedinstall | — | 1 |
| Depot 229030 |
| Added | Operating systemsdepots.229030.config.oslist | — | windows |
| Added | Depot from appdepots.229030.depotfromapp | — | 228980 |
| Added | Shared installdepots.229030.sharedinstall | — | 1 |
| Depot 3964501 |
| Added | manifests.2.0_early_access_very_very_old.downloaddepots.3964501.manifests.2.0_early_access_very_very_old.download | — | 1049680688 |
| Added | manifests.2.0_early_access_very_very_old.giddepots.3964501.manifests.2.0_early_access_very_very_old.gid | — | 1418796354673824022 |
| Added | manifests.2.0_early_access_very_very_old.sizedepots.3964501.manifests.2.0_early_access_very_very_old.size | — | 1206748992 |
| Added | manifests.3.0_early_access_very_old.downloaddepots.3964501.manifests.3.0_early_access_very_old.download | — | 1321420816 |
| Added | manifests.3.0_early_access_very_old.giddepots.3964501.manifests.3.0_early_access_very_old.gid | — | 8593181864154592562 |
| Added | manifests.3.0_early_access_very_old.sizedepots.3964501.manifests.3.0_early_access_very_old.size | — | 1488068021 |
| Added | manifests.4.0_early_access_old.downloaddepots.3964501.manifests.4.0_early_access_old.download | — | 2276412704 |
| Added | manifests.4.0_early_access_old.giddepots.3964501.manifests.4.0_early_access_old.gid | — | 3231147132045488946 |
| Added | manifests.4.0_early_access_old.sizedepots.3964501.manifests.4.0_early_access_old.size | — | 2591359980 |
| Added | Download size on publicdepots.3964501.manifests.public.download | — | 3.24 GB3481254480 |
| Added | Manifest on publicdepots.3964501.manifests.public.gid | — | 6176963292091006006 |
| Added | Size on disk on publicdepots.3964501.manifests.public.size | — | 3.63 GB3899649700 |
| Store · 63 |
| Added | Association 0 · namecommon.associations.0.name | — | Rough devs |
| Added | Association 0 · typecommon.associations.0.type | — | developer |
| Added | Association 1 · namecommon.associations.1.name | — | Rough devs |
| Added | Association 1 · typecommon.associations.1.type | — | publisher |
| Added | category · category_1common.category.category_1 | — | 1 |
| Added | category · category_2common.category.category_2 | — | 1 |
| Added | category · category_9common.category.category_9 | — | 1 |
| Added | category · category_22common.category.category_22 | — | 1 |
| Added | category · category_38common.category.category_38 | — | 1 |
| Added | category · category_62common.category.category_62 | — | 1 |
| Added | category · category_67common.category.category_67 | — | 1 |
| Added | category · category_68common.category.category_68 | — | 1 |
| Added | category · category_74common.category.category_74 | — | 1 |
| Added | category · category_78common.category.category_78 | — | 1 |
| Added | community_hub_visiblecommon.community_hub_visible | — | 1 |
| Added | Community stats visiblecommon.community_visible_stats | — | 1 |
| Added | controllertagwizardcommon.controllertagwizard | — | 1 |
| Added | Game IDcommon.gameid | — | 3964500 |
| Added | genres · 0common.genres.0 | — | 1 |
| Added | genres · 1common.genres.1 | — | 25 |
| Added | genres · 2common.genres.2 | — | 23 |
| Added | library_assets_full · library_logo · logo_position · height_pctcommon.library_assets_full.library_logo.logo_position.height_pct | — | 100 |
| Added | library_assets_full · library_logo · logo_position · pinned_positioncommon.library_assets_full.library_logo.logo_position.pinned_position | — | BottomLeft |
| Added | library_assets_full · library_logo · logo_position · width_pctcommon.library_assets_full.library_logo.logo_position.width_pct | — | 100 |
| 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 | — | 100 |
| Added | library_assets · logo_position · pinned_positioncommon.library_assets.logo_position.pinned_position | — | BottomLeft |
| Added | library_assets · logo_position · width_pctcommon.library_assets.logo_position.width_pct | — | 100 |
| Added | Namecommon.name | — | Lost In The Backrooms: Day 100 |
| Added | Architecturecommon.osarch | — | 64 |
| Added | osextendedcommon.osextended | — |
| Added | Operating systemscommon.oslist | — | Windowswindows |
| Added | primary_genrecommon.primary_genre | — | 23 |
| Added | Release statecommon.releasestate | — | released |
| Added | Review percentagecommon.review_percentage | — | 73 |
| Added | Review scorecommon.review_score | — | 6 |
| Added | Steam release datecommon.steam_release_date | — | 26 May 2026, 12:33:33 UTC1779798813 |
| Added | store_asset_mtimecommon.store_asset_mtime | — | 1774257183 |
| Added | Store tagcommon.store_tags.0 | — | Adventure21 |
| Added | Store tagcommon.store_tags.1 | — | Action19 |
| Added | Store tagcommon.store_tags.2 | — | 3D4191 |
| Added | Store tagcommon.store_tags.3 | — | Cinematic4145 |
| Added | Store tagcommon.store_tags.4 | — | Realistic4175 |
| Added | Store tagcommon.store_tags.5 | — | Atmospheric4166 |
| Added | Store tagcommon.store_tags.6 | — | Survival Horror3978 |
| Added | Store tagcommon.store_tags.7 | — | Psychological Horror1721 |
| Added | Store tagcommon.store_tags.8 | — | Survival1662 |
| Added | Store tagcommon.store_tags.9 | — | Co-op1685 |
| Added | Store tagcommon.store_tags.10 | — | Indie492 |
| Added | Store tagcommon.store_tags.11 | — | Online Co-Op3843 |
| Added | Store tagcommon.store_tags.12 | — | Multiplayer3859 |
| Added | Store tagcommon.store_tags.13 | — | Singleplayer4182 |
| Added | Store tagcommon.store_tags.14 | — | Early Access493 |
| Added | Store tagcommon.store_tags.15 | — | Point & Click1698 |
| Added | Store tagcommon.store_tags.16 | — | Horror1667 |
| Added | Typecommon.type | — | Game |
| Added | deckresolutionoverrideextended.deckresolutionoverride | — | Default |
| Added | Developerextended.developer | — | Rough devs |
| Added | Publisherextended.publisher | — | Rough devs |
| Assets · 13 |
| Added | Client iconcommon.clienticon | — | a1d1689238fe1d4123a84c5bc7a649433c31d5ab |
| Added | Header imagecommon.header_image.english | — | b954dbe0…/header.jpg |
| Added | Iconcommon.icon | — | a1d1689238fe1d4123a84c5bc7a649433c31d5ab |
| Added | library_capsule · image · englishcommon.library_assets_full.library_capsule.image.english | — | 8b01bdc8…/library_capsule.jpg |
| Added | library_capsule · image2x · englishcommon.library_assets_full.library_capsule.image2x.english | — | 8b01bdc8…/library_capsule_2x.jpg |
| Added | library_header · image · englishcommon.library_assets_full.library_header.image.english | — | b954dbe0…/library_header.jpg |
| Added | library_header · image2x · englishcommon.library_assets_full.library_header.image2x.english | — | b954dbe0…/library_header_2x.jpg |
| Added | library_hero_blur · image · englishcommon.library_assets_full.library_hero_blur.image.english | — | 76068b84…/library_hero_blur.jpg |
| Added | library_hero · image · englishcommon.library_assets_full.library_hero.image.english | — | 76068b84…/library_hero.jpg |
| Added | library_hero · image2x · englishcommon.library_assets_full.library_hero.image2x.english | — | 76068b84…/library_hero_2x.jpg |
| Added | library_logo · image · englishcommon.library_assets_full.library_logo.image.english | — | 3b77b098…/logo.png |
| Added | library_logo · image2x · englishcommon.library_assets_full.library_logo.image2x.english | — | 3b77b098…/logo_2x.png |
| Added | small_capsule · englishcommon.small_capsule.english | — | fb50a1db…/capsule_231x87.jpg |
| Launch options · 5 |
| Added | Install directoryconfig.installdir | — | Lost In The Backrooms Day 100 |
| Added | Launch option 0 · executableconfig.launch.0.executable | — | backrooms.exe |
| Added | steamconfigurator3rdpartynativeconfig.steamconfigurator3rdpartynative | — | 2 |
| Added | Steam controller templateconfig.steamcontrollertemplateindex | — | 6 |
| Added | steamdecktouchscreenconfig.steamdecktouchscreen | — | 2 |
| Cloud saves · 2 |
| Added | Cloud max filesufs.maxnumfiles | — | 2 |
| Added | Cloud quotaufs.quota | — | 98 KB100000 |
| Localization · 2 |
| Added | English · subtitlescommon.supported_languages.english.subtitles | — | true |
| Added | English · interfacecommon.supported_languages.english.supported | — | true |
| Other · 14 |
| Added | appid | — | 3964500 |
| Added | depots.branches.2.0_early_access_very_very_old.buildid | — | 22043232 |
| Added | depots.branches.2.0_early_access_very_very_old.description | — | Early access 2.0 VERY VERY old version |
| Added | depots.branches.2.0_early_access_very_very_old.timebuildupdated | — | 1771778141 |
| Added | depots.branches.2.0_early_access_very_very_old.timeupdated | — | 1771778160 |
| Added | depots.branches.3.0_early_access_very_old.buildid | — | 22043127 |
| Added | depots.branches.3.0_early_access_very_old.description | — | Early access 3.0 VERY old version |
| Added | depots.branches.3.0_early_access_very_old.timebuildupdated | — | 1771777240 |
| Added | depots.branches.3.0_early_access_very_old.timeupdated | — | 1771777267 |
| Added | depots.branches.4.0_early_access_old.buildid | — | 20816973 |
| Added | depots.branches.4.0_early_access_old.description | — | Early access 4.0 old version |
| Added | depots.branches.4.0_early_access_old.timebuildupdated | — | 1763294404 |
| Added | depots.branches.4.0_early_access_old.timeupdated | — | 1771777083 |
| Added | depots.privatebranches | — | 1 |