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Opus Castle - Chapter 4 cover art

Opus Castle - Chapter 4

Messier Games

DLC
Released
12 May 2025
Platforms
Last updated
17 Sep 2026, 22:26
Wishlist on SteamAdd it on the Steam store page. Opens in a new tab.
United States store
$1.99
Regional prices
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    Depots

    Current depot configuration and public manifests.

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    OCOpus Castle cover art
    Required base gameOpus CastleOpus Castle is required and is not included with this DLC.View Opus Castle