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Opus Building

Game overview

Opus Building

In this sequel to Opus Castle, investigate the mystery behind the Joelma Building fire in a supernatural journey through time, uncovering the secrets of a demonic cult and spiritual horrors rooted in real historical events.

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About this game Read the full description

Hell didn’t end — it was merely asleep.

In Opus Building, the sequel to Opus Castle, you return to the shadows of São Paulo for a deeper, more dangerous, and more supernatural investigation. Blending psychological horror, narrative exploration, and esoteric elements based on real events, this chapter places you at the center of a new mystery involving secret cults, demonic rituals, and one of Brazil’s most infamous tragedies: the fire at the Joelma Building.

A new story unfolds with investigative journalist Helena Meirelles, hired to write a feature about the building’s revitalization. What she doesn’t know is that she’s being used by a cult seeking the second key to the Ark of Solomon — a hidden artifact of immense power tied to the 1974 fire.

As Helena digs deeper into her story, she’s pulled into a temporal journey that takes her into the past, reliving the hours before the tragedy — and into a space where hidden forces are about to tear the Veil between worlds.

Key Features:

  • A setting inspired by the Joelma Building
    A dense and symbolic reconstruction of one of Brazil’s most iconic locations, shifting between the physical, the spiritual, and the infernal.

  • Narrative exploration across layered timelines
    Travel between 1974, the present, and a distorted spiritual dimension where time folds in on itself — investigate, decode, and survive.

  • Psychological and spiritual horror
    Demonic entities, whispers, illusions, and ever-changing environments create an atmosphere of dread built on tension and discovery.

Inspired by real events. Powered by the unknown.

Opus Building expands the universe introduced in the first game, taking historical horror to new spiritual depths. Get ready to face your own fears — and uncover what was truly sealed behind the doors of the 13th floor.

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System requirements Windows

Windows

Minimum

Minimum:
  • OS: 64-bit Windows 10
  • Processor: Intel Core i5-750, 2.66 GHz / AMD Phenom II X4 965, 3.4 GHz or AMD Ryzen™ 3 1200, 3.1 GHz
  • Graphics: NVIDIA® GeForce™ GTX 670 or NVIDIA® GeForce™ GTX 1050 / AMD® Radeon™ HD 7950 or AMD® Radeon™ R9 270
  • DirectX: Version 10

Recommended

Recommended:
  • OS: 64-bit Windows 10
  • Processor: Intel Core i5-2300, 2.8 GHz / AMD FX-6300, 3.5GHz or AMD Ryzen™ 5 1400, 3.2 GHz
Game details Languages, features & support
Publisher
Messier Data e Creative
Brazilian rating
14
Steam Germany rating
16
Features
Single-player, Family Sharing
Languages
Portuguese - Brazil*
*languages with full audio support
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Game Insights

Buy Verdict

Watch — $4.99.

Decent deal at 0% off, but might drop further. Watch for better opportunities.

▲ ~18 days until next sale

Value Score

Great Value — 100th percentile.

Price-to-player ratio ranks in the 100th percentile.

▲ Market pricing tier

Genre Benchmarks

Value Ratio Top 0%

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Developer Analytics

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Frequently Asked Questions

Is Opus Building worth buying right now?
Watch — $4.99. Decent deal at 0% off, but might drop further. Watch for better opportunities.
When does Opus Building go on sale?
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Is Opus Building free to play?
Opus Building costs $4.99 on Steam.
What genre is Opus Building?
Opus Building is a Adventure game.
Who developed Opus Building?
Opus Building was developed by Messier Data e Creative and published by Messier Data e Creative.
What platforms does Opus Building support?
Available on Steam for Windows.