How many people are playing Opus Castle right now?

Opus Castle has 0 players on Steam right now, with a 24-hour peak of 1 and an all-time peak of 2 on 12 Sep 2026.

What is the all-time peak player count of Opus Castle?

2 concurrent players on 12 Sep 2026.

When was Opus Castle released on Steam?

Opus Castle was released on Steam on 9 Nov 2021.

Status

SteamPeaks

Opus Castle

GameApp ID 1,725,660by Messier GamesReleased 9 Nov 2021

WindowsEngine —

View on SteamSteamCompare

App ID1,725,660

Release date9 Nov 2021

Engine—

Install size11.9 GB

TypeGame

Last update30 May 2025

Steam Deck—

DLC5

DeveloperMessier Games

Changenumber37,364,057

Price—

Packages0

PublisherQUByte Interactive

SystemsWindows

Followers—

Depots6

Compare this game

Opus Castle

Messier Games·QUByte Interactive
Released 9 Nov 2021·App 1725660

Steam user reviews

Mixed

60.7%· 89 reviews

Recent —

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

12 Sep 2026

Update history

A permanent record of every observed change.

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Opus Castle Update History · SteamPeaks

Showing keys matching the filter · 1 event on this page has no match

Time (UTC)SourceWhat changedAddedEditedRemovedReference

5 Sep 2026

07:47:23PICSPublic manifest changed+133——#37,364,057

Recorded change · 5 Sep 2026, 07:47:23 UTCView all 133

Status	Key	Previous value	New value
Depot 228988
Added	Operating systemsdepots.228988.config.oslist	—	windows
Added	Depot from appdepots.228988.depotfromapp	—	228980
Added	Shared installdepots.228988.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 1725661
Added	Download size on publicdepots.1725661.manifests.public.download	—	7.13 GB7655695904
Added	Manifest on publicdepots.1725661.manifests.public.gid	—	4167678507987914538
Added	Size on disk on publicdepots.1725661.manifests.public.size	—	7.36 GB7904357957
Depot 1793470
Added	Operating systemsdepots.1793470.config.oslist	—	windows
Added	DLC appdepots.1793470.dlcappid	—	1793470
Added	Download size on publicdepots.1793470.manifests.public.download	—	494.8 MB518841216
Added	Manifest on publicdepots.1793470.manifests.public.gid	—	8393702665711202969
Added	Size on disk on publicdepots.1793470.manifests.public.size	—	496.6 MB520758290
Depot 3320990
Added	Operating systemsdepots.3320990.config.oslist	—	windows
Added	DLC appdepots.3320990.dlcappid	—	3320990
Added	Download size on publicdepots.3320990.manifests.public.download	—	613.9 MB643680192
Added	Manifest on publicdepots.3320990.manifests.public.gid	—	8614741027052903065
Added	Size on disk on publicdepots.3320990.manifests.public.size	—	623.3 MB653568388
Depot 3654290
Added	Operating systemsdepots.3654290.config.oslist	—	windows
Added	DLC appdepots.3654290.dlcappid	—	3654290
Added	Download size on publicdepots.3654290.manifests.public.download	—	351.6 MB368690000
Added	Manifest on publicdepots.3654290.manifests.public.gid	—	7193807745499466387
Added	Size on disk on publicdepots.3654290.manifests.public.size	—	352.7 MB369846238
Depot 3654300
Added	Operating systemsdepots.3654300.config.oslist	—	windows
Added	DLC appdepots.3654300.dlcappid	—	3654300
Added	Download size on publicdepots.3654300.manifests.public.download	—	382.5 MB401030064
Added	Manifest on publicdepots.3654300.manifests.public.gid	—	6486456885311296887
Added	Size on disk on publicdepots.3654300.manifests.public.size	—	384.9 MB403551508
Depot 3654310
Added	Operating systemsdepots.3654310.config.oslist	—	windows
Added	DLC appdepots.3654310.dlcappid	—	3654310
Added	Download size on publicdepots.3654310.manifests.public.download	—	2.68 GB2876746448
Added	Manifest on publicdepots.3654310.manifests.public.gid	—	8977089645274632300
Added	Size on disk on publicdepots.3654310.manifests.public.size	—	2.75 GB2957781245