How many people are playing Opus Castle - Chapter 4 right now?

Opus Castle - Chapter 4 is app 3654290 on Steam. Player counts appear once the tracker has sampled it.

When was Opus Castle - Chapter 4 released on Steam?

Opus Castle - Chapter 4 was released on Steam on 12 May 2025.

Status

SteamPeaks

Opus Castle - Chapter 4

DlcApp ID 3,654,290by Messier GamesReleased 12 May 2025

WindowsEngine —

View on SteamSteamCompare

App ID3,654,290

Release date12 May 2025

Engine—

Install size—

TypeDlc

Last update15 Sep 2026

Steam Deck—

DLC0

DeveloperMessier Games

Changenumber36,631,845

Price—

Packages0

Publisher—

SystemsWindows

Followers—

Depots0

Compare this game

Opus Castle - Chapter 4

Messier Games
Released 12 May 2025·App 3654290

Steam user reviews

Not enough reviews yet

1 so far · summary at 10

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

How it works

Playing now

—

First samples arriving

—of peak

All-time peak

—

Tracking since the first sample

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

—

Since last public build

No public build seen yet

—

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 0 builds · UTC

When Messier Games ships

Click a cell to filter the builds table

036912151821

Opus Castle - Chapter 4 Patches · SteamPeaks

Opus Castle - Chapter 4

Builds

All

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
No builds seen yet. New builds appear the moment a branch changes.

public branch · shipped todayother branchwide buildhas patch notes

Showing 0 of 0 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

Opus Castle - Chapter 4

When Messier Games ships

Opus Castle - Chapter 4

When Messier Games ships

Patch notes

Builds