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.
We are not affiliated with IsThereAnyDeal.








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.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.








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.
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.
We are not affiliated with IsThereAnyDeal.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.