How many people are playing Opus Castle right now?

Opus Castle is app 1725660 on Steam. Player counts appear once the tracker has sampled it.

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

2 concurrent players on 12 Sep 2026.

Opus Castle was released on Steam on 9 Nov 2021.

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

WindowsEngine —

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

Opus Castle

Steam user reviews

Mixed

60.7%· 89 reviews

Recent —

SteamPeaks Rating

Not enough reviews yet

Rated from 10 reviews

Last seen

Sampled 18 minutes ago · not a live figure

—of peak

All-time peak

12 Sep 2026

Child apps

5 items

#		Type	Release
1	Opus Castle - Chapter 2App ID 1793470	dlc	28 Oct 2021
2	Opus Castle - Chapter 3App ID 3320990	dlc	12 May 2025
3	Opus Castle - Chapter 4App ID 3654290	dlc	12 May 2025
4	Opus Castle - Chapter 5App ID 3654300	dlc	12 May 2025
5

Opus Castle DLC · SteamPeaks