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.

Developer: Messier Games. Publisher: QUByte Interactive.

Tags: Solo, Exploration, FPS, 3D.

Steam reviews: Mixed (60% of 89).

Price: Free to play on Steam.

Released 2021-11-09.

Last updated 2025-05-12.

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