How many people are playing O3: Hollow Descent Playtest right now?

O3: Hollow Descent Playtest has 0 players on Steam right now, with a 24-hour peak of 2 and an all-time peak of 2 on 15 Sep 2026.

What is the all-time peak player count of O3: Hollow Descent Playtest?

2 concurrent players on 15 Sep 2026.

When was O3: Hollow Descent Playtest released on Steam?

O3: Hollow Descent Playtest was released on Steam on 13 Aug 2026.

Status

SteamPeaks

O3: Hollow Descent Playtest

BetaApp ID 3,181,320Released 13 Aug 2026

View on SteamSteamCompare

App ID3,181,320

Release date13 Aug 2026

Engine—

Install size5.21 GB

TypeBeta

Last update15 Sep 2026

Steam Deck—

DLC0

Developer—

Changenumber38,906,336

Price—

Packages0

Publisher—

SystemsWindows · macOS · Linux

Followers—

Depots4

Compare this game

O3: Hollow Descent Playtest

Released 13 Aug 2026·App 3181320

Steam user reviews

Not enough reviews yet

0 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

+0 vs. yesterday

0.0%of peak

All-time peak

15 Sep 2026

Update history

A permanent record of every observed change.

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All changes Changelists Builds News Store Achievements

O3: Hollow Descent Playtest Update History · SteamPeaks

Time (UTC)SourceWhat changedAddedEditedRemovedReference

15 Sep 2026

18:45:15PICSstore metadata · launch options—~1−2#38,906,336

Recorded change · 15 Sep 2026, 18:45:15 UTC

Status	Key	Previous value	New value
Store · 1
Edited	osextendedcommon.osextended	macosapplesilicon	macos64,macosapplesilicon
Launch options · 2
Removed	Launch option 2 · descriptionconfig.launch.2.description	Silicon	Removed from source
Removed	Launch option 2 · description_loc · englishconfig.launch.2.description_loc.english	Silicon	Removed from source

Raw values

18:44:54News15.09.26 - UPDATE - WEAPON ADAPTATION SYSTEM———Game update

Game update · published 15 Sep 2026, 18:44:54 UTC

15.09.26 - UPDATE - WEAPON ADAPTATION SYSTEM

A new progression system has been introduced into the O3 Demo 2 build: Weapon Adaptation. Weapons will continue to spawn randomly throughout the dungeon exactly as before, but every weapon now has its own persistent progression happening behind the scenes. HOW WEAPON ADAPTATION WORKS Each weapon can progress through multiple Adaptation Tiers: Base - Tier I - Tier II - Tier III / MAX By using a…

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18:40:06PICSPublic manifest changed—~15—#38,906,207

Recorded change · 15 Sep 2026, 18:40:06 UTC

Status	Key	Previous value	New value
Branches · 3
Edited	Build ID on publicdepots.branches.public.buildid	25215290	25329862
Edited	Build time on publicdepots.branches.public.timebuildupdated	9 Sep 2026, 18:44:35 UTC1788979475	15 Sep 2026, 18:39:02 UTC1789497542
Edited	Updated time on publicdepots.branches.public.timeupdated	9 Sep 2026, 18:47:17 UTC1788979637	15 Sep 2026, 18:39:57 UTC1789497597
Depots · 12
Depot 3181322

18:39:57BuildsPublic branch updated · 4 depots—~4—25329862

Depot 3181322 · public

Previous manifest6557950145979756337

New manifest7413131623412282176

Depot 3181323 · public

Previous manifest7078884227150382955

New manifest3971519975048769786

Depot 3181324 · public

Previous manifest8853703181588416049

New manifest8178002998001560734

Depot 3181325 · public

Previous manifest7102170183937791122

New manifest

9 Sep 2026

19:10:00NewsWindows playtest build updated:———Game update

Game update · published 9 Sep 2026, 19:10:00 UTC

Windows playtest build updated:

Big thanks to Akaelik and SLiZzeR for really sweating through this build and digging up a ton of bugs, weird edge cases, and little hiccups. You guys helped a lot with this update. Windows playtest build updated: · Fixed weapons disappearing from the inventory when switching too fast, even with ammo remaining. · Fixed miniboss ragdoll/death glitch. · Fixed RSN 45A nest spawning blobs again afte…

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18:47:23PICSPublic manifest changed—~6—#38,737,324

Recorded change · 9 Sep 2026, 18:47:23 UTC

7 Sep 2026

10:12:21NewsPlaytest Demo: 07-09-26.———Game update

Game update · published 7 Sep 2026, 10:12:21 UTC

Playtest Demo: 07-09-26.

Mac, Linux, and Steam Deck have been updated to the latest version. Testing the upscaler options on Steam Deck and macOS.

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10:09:33PICSPublic manifest changed—~12—#38,663,308

Recorded change · 7 Sep 2026, 10:09:33 UTC

Status	Key	Previous value	New value
Branches · 3

6 Sep 2026

22:35:54News6 Sep 2026, patch 1.0.3———Game update

Game update · published 6 Sep 2026, 22:35:54 UTC

6 Sep 2026, patch 1.0.3

Fast update, Windows only for the moment: I fixed the pet behavior on Bomb Head. Now it’ll explode normally again. Also fixed some missing door collisions on the right side of the map. Fixed the boss back door too. It must remain closed... Now it’ll stay shut after the fight, and the only door that opens is the one to exit the floor. Thanks again for the feedback everyone! New update coming soo…

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22:28:45PICSPublic manifest changed—~6—#38,652,240

Recorded change · 6 Sep 2026, 22:28:45 UTC

26 Aug 2026

16:04:00NewsPlaytest Update: GODMODE Suit, Weapon Switching & Debug IDs———Game update

Game update · published 26 Aug 2026, 16:04:00 UTC

Playtest Update: GODMODE Suit, Weapon Switching & Debug IDs

New testing features and quality of life improvements are now live. GODMODE TESTING SUIT A new testing suit can now be unlocked from the Player Suit Selection screen. Keyboard: Type GODMODE Gamepad: D-pad Left, Right, Left, Right, Left, Right, then Reload The suit regenerates health every second and has a fully emissive skin. It is intended as a testing tool, making it easier to explore rooms,…

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22:23:16PICSPublic manifest changed—~15—#38,652,164

Recorded change · 6 Sep 2026, 22:23:16 UTC

Status	Key	Previous value	New value
Branches · 3
Edited	Build ID on publicdepots.branches.public.buildid	25157512	25036458
Edited	Build time on publicdepots.branches.public.timebuildupdated	6 Sep 2026, 22:18:13 UTC1788733093	31 Aug 2026, 12:45:50 UTC1788180350
Edited	Updated time on publicdepots.branches.public.timeupdated	6 Sep 2026, 22:21:50 UTC1788733310	6 Sep 2026, 22:23:11 UTC1788733391
Depots · 12
Depot 3181322
Edited	Download size on publicdepots.3181322.manifests.public.download	1.10 GB1176856784	1.10 GB1177574416+701 KB
Edited	Manifest on publicdepots.3181322.manifests.public.gid	8721965809908382405	4049895381714060293
Edited	Size on disk on publicdepots.3181322.manifests.public.size	1.35 GB1454586060	1.35 GB1454272655−306 KB
Depot 3181323
Edited	Download size on publicdepots.3181323.manifests.public.download	1018.8 MB1068250032	1018.9 MB1068362912+110 KB
Edited	Manifest on publicdepots.3181323.manifests.public.gid	1419936358497222697	1930038291927785868
Edited	Size on disk on publicdepots.3181323.manifests.public.size	1.17 GB1255295413	1.17 GB1255345060+48 KB
Depot 3181324
Edited	Download size on publicdepots.3181324.manifests.public.download	1.06 GB1137795856	1.06 GB1137635296−157 KB
Edited	Manifest on publicdepots.3181324.manifests.public.gid	3770195171423372617	5818198486447652856
Edited	Size on disk on publicdepots.3181324.manifests.public.size	1.30 GB1392943003	1.30 GB1392969044+25 KB
Depot 3181325
Edited	Download size on publicdepots.3181325.manifests.public.download	1.06 GB1138015200	1.06 GB1137555120−449 KB
Edited	Manifest on publicdepots.3181325.manifests.public.gid	470380512295699474	3873332721636021976
Edited	Size on disk on publicdepots.3181325.manifests.public.size	1.30 GB1392943585	1.30 GB1392969582+25 KB

Raw values

22:21:58PICSPublic manifest changed+81——#38,652,153

Recorded change · 6 Sep 2026, 22:21:58 UTC

Status	Key	Previous value	New value
Branches · 3
Added	Build ID on publicdepots.branches.public.buildid	—	25157512
Added	Build time on publicdepots.branches.public.timebuildupdated	—	6 Sep 2026, 22:18:13 UTC1788733093
Added	Updated time on publicdepots.branches.public.timeupdated	—	6 Sep 2026, 22:21:50 UTC1788733310
Depots · 21
Depot 3181322
Added	Architecturedepots.3181322.config.osarch	—	64
Added	Operating systemsdepots.3181322.config.oslist	—	windows
Added	Download size on publicdepots.3181322.manifests.public.download	—	1.10 GB1176856784
Added	Manifest on publicdepots.3181322.manifests.public.gid	—	8721965809908382405
Added	Size on disk on publicdepots.3181322.manifests.public.size	—	1.35 GB1454586060
Depot 3181323
Added	Architecturedepots.3181323.config.osarch	—	64
Added	Operating systemsdepots.3181323.config.oslist	—	macos
Added	Download size on publicdepots.3181323.manifests.public.download	—	1018.8 MB1068250032
Added	Manifest on publicdepots.3181323.manifests.public.gid	—	1419936358497222697
Added	Size on disk on publicdepots.3181323.manifests.public.size	—	1.17 GB1255295413
Depot 3181324
Added	Architecturedepots.3181324.config.osarch	—	64
Added	Operating systemsdepots.3181324.config.oslist	—	linux
Added	config.steamdeckdepots.3181324.config.steamdeck	—	1
Added	Download size on publicdepots.3181324.manifests.public.download	—	1.06 GB1137795856
Added	Manifest on publicdepots.3181324.manifests.public.gid	—	3770195171423372617
Added	Size on disk on publicdepots.3181324.manifests.public.size	—	1.30 GB1392943003
Depot 3181325
Added	Architecturedepots.3181325.config.osarch	—	64
Added	Operating systemsdepots.3181325.config.oslist	—	linux
Added	Download size on publicdepots.3181325.manifests.public.download	—	1.06 GB1138015200
Added	Manifest on publicdepots.3181325.manifests.public.gid	—	470380512295699474
Added	Size on disk on publicdepots.3181325.manifests.public.size	—	1.30 GB1392943585
Store · 28
Added	associationscommon.associations	—	—
Added	categorycommon.category	—	—
Added	clienticnscommon.clienticns	—	745752c345d59e2f4e74a4299e0a033cebdb64d6
Added	community_hub_visiblecommon.community_hub_visible	—	1
Added	exfglscommon.exfgls	—	6
Added	Game IDcommon.gameid	—	3181320
Added	library_assets_full · library_logo · logo_position · height_pctcommon.library_assets_full.library_logo.logo_position.height_pct	—	92.93516979339823
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	—	48.283752860411894
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	—	92.93516979339823
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	—	48.283752860411894
Added	linuxclienticoncommon.linuxclienticon	—	745752c345d59e2f4e74a4299e0a033cebdb64d6
Added	Namecommon.name	—	O3: Hollow Descent Playtest
Added	Architecturecommon.osarch	—	64
Added	osextendedcommon.osextended	—	macosapplesilicon
Added	Operating systemscommon.oslist	—	Windows · macOS · Linuxwindows,macos,linux
Added	Parent appcommon.parent	—	2528960
Added	primary_genrecommon.primary_genre	—	0
Added	Release statecommon.releasestate	—	released
Added	Steam release datecommon.steam_release_date	—	13 Aug 2026, 20:56:57 UTC1786654617
Added	store_asset_mtimecommon.store_asset_mtime	—	1786656221
Added	Typecommon.type	—	Beta
Assets · 14
Added	Client iconcommon.clienticon	—	6a44cb1ac84e26616fbdb311476ed9a2b3b4aa52
Added	Client TGAcommon.clienttga	—	2bef2bf8d5c46611e9bf6c55f359f4d556880d2f
Added	Header imagecommon.header_image.english	—	header.jpg
Added	Iconcommon.icon	—	6a44cb1ac84e26616fbdb311476ed9a2b3b4aa52
Added	library_capsule · image · englishcommon.library_assets_full.library_capsule.image.english	—	b1091323…/library_capsule.jpg
Added	library_capsule · image2x · englishcommon.library_assets_full.library_capsule.image2x.english	—	b1091323…/library_capsule_2x.jpg
Added	library_header · image · englishcommon.library_assets_full.library_header.image.english	—	28d6bb74…/library_header.jpg
Added	library_header · image2x · englishcommon.library_assets_full.library_header.image2x.english	—	28d6bb74…/library_header_2x.jpg
Added	library_hero_blur · image · englishcommon.library_assets_full.library_hero_blur.image.english	—	b3d01d44…/library_hero_blur.jpg
Added	library_hero · image · englishcommon.library_assets_full.library_hero.image.english	—	b3d01d44…/library_hero.jpg
Added	library_hero · image2x · englishcommon.library_assets_full.library_hero.image2x.english	—	b3d01d44…/library_hero_2x.jpg
Added	library_logo · image · englishcommon.library_assets_full.library_logo.image.english	—	eb2f6126…/logo.png
Added	library_logo · image2x · englishcommon.library_assets_full.library_logo.image2x.english	—	eb2f6126…/logo_2x.png
Added	small_capsule · englishcommon.small_capsule.english	—	fb034918…/capsule_231x87.jpg
Launch options · 13
Added	Install directoryconfig.installdir	—	O3HollowDescent Playtest
Added	Launch option 0 · oslistconfig.launch.0.config.oslist	—	windows
Added	Launch option 0 · executableconfig.launch.0.executable	—	O3-Demo2.exe
Added	Launch option 1 · oslistconfig.launch.1.config.oslist	—	linux
Added	Launch option 1 · executableconfig.launch.1.executable	—	O3-Demo2.x86_64
Added	Launch option 2 · oslistconfig.launch.2.config.oslist	—	macos
Added	Launch option 2 · descriptionconfig.launch.2.description	—	Silicon
Added	Launch option 2 · description_loc · englishconfig.launch.2.description_loc.english	—	Silicon
Added	Launch option 2 · executableconfig.launch.2.executable	—	O3-Demo2.app
Added	steamconfigurator3rdpartynativeconfig.steamconfigurator3rdpartynative	—	65535
Added	Steam controller templateconfig.steamcontrollertemplateindex	—	4
Added	steamcontrollertouchtemplateindexconfig.steamcontrollertouchtemplateindex	—	9
Added	steamdecktouchscreenconfig.steamdecktouchscreen	—	1
Other · 2
Added	appid	—	3181320
Added	Depot base languagesdepots.baselanguages	—	english

Raw values