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Opus Castle

Opus Castle it's a 3D horror, adventure and mysterious game with a narrative based on the real tragic history of the little castle on Apa Street, located in the city of São Paulo, Brazil.

Steam Page
Developer
Release
November 9, 2021
4 years and 266 days ago
Steam Reviews
Mixed88 reviews60.2%

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Updated: Jul 13, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 13, 2026Publisher scaleThe operating scale of the game's publisher.
The separate publisher has a broad catalog or developer network in the local database.
Search Google: Is Opus Castle self-published or published by QUByte Interactive?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Opus Castle and QUByte Interactive funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Opus Castle and Messier Games?Creative controlWho appears to retain creative control of the game.
Updated: Jul 13, 2026Release statusWhether and how the game has been released.
The game was released through a separate publisher.

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About the Game

Opus Castle it's a 3D horror, adventure and mysterious game with a narrative based on the real tragic history of the little castle on Apa Street, located in the city of São Paulo, Brazil.

The Game

The player must explore Castelinho's secret rooms and environments, encountering the famous supernatural apparitions, noises from nowhere and the laments of spirits from the past. In the meantime, you wake up in one of the rooms beside a body riddled with bullets. Suicide or murder?

SURVIVE

Opus brings some basic mechanics for the exploration, which focus more on the narrative, that will be divided into 6 chapters, with 5 different story variations for each.