About Opus Building

Opus Building is an Adventure game developed by Messier Data e Creative. On 3/9/2026, it was released on the Steam Store by MESSIER Data e Creative.

It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.

According to Steam’s category system, Opus Building supports the following features:

• Family Sharing
• Single-player

From the Steam community, Opus Building has been tagged with the following user tags:

• Supernatural
• Interactive Fiction
• Dark
• Atmospheric
• Sandbox
• Investigation
• Story Rich
• Choices Matter
• First-Person
• Mystery
• Horror
• Dark Fantasy
• Cinematic
• Demons
• Female Protagonist

Media & Sceenshots

Watch the featured video for Opus Building and see the latest screenshots from the Steam Store.

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Soures & References

Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in real-time to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.

Opus Building data has been sourced from:

• Valve Corporation. (2026, March 9). Opus Building on Steam. Steam Store.
• Valve Corporation. (2026, March 9). Opus Building. Steam Community Hub.