Opus Castle overview

Overview

Opus Castle comes from Messier Games and is published by QUByte Interactive. It arrived on Steam on Nov 9, 2021, and it sits naturally among Single-player, Steam Achievements, Partial Controller Support, Steam Cloud, and Family Sharing. SteamPulse tracks it across Windows, Steam, Xbox, and PlayStation so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Opus Castle's latest SteamPulse observation recorded 0 players at 25 September 2026 - 22:56:30 UTC, with a tracked peak near 5. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 60% positive across 83 reviews.

Language and system requirements

Opus Castle is available in 2 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Opus Castle has sold up to 2,670 units and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

Opus Castle overview details

Opus Castle combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

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.

SteamPulse editorial summary

Opus Castle is listed as a game with Free to play. It supports Windows, belongs to Single-player, Steam Achievements, Partial Controller Support, Steam Cloud, and Family Sharing, and is associated with Action and Adventure. SteamPulse's latest observation records 0 players at 25 September 2026 - 22:56:30 UTC, a tracked peak of 5, and 60% positive reviews.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.