How many people are playing Opus Castle right now?

Opus Castle has 1 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

+1 vs. yesterday

50%of peak

All-time peak

12 Sep 2026

Update cadence · public branch

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PICS live

472 days

Since last public build

30 May 2025, 21:31 UTC

—

Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

—

Downloaded in 30 days

Quiet · no builds in 30 days

All 1 builds since 2025 · UTC

When Messier Games ships

Click a cell to filter the builds table

036912151821

Opus Castle Patches · SteamPeaks

Opus Castle

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
30 May 2025	Fri	21:31	No patch notes · unannounced build	18679366	public	6	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 1 of 1 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Opus Castle

When Messier Games ships

Opus Castle

When Messier Games ships

Patch notes

Builds