Atrium Mortis is a first-person psychological horror set in a vacant early 20th-century mansion. Plunge into Arthur's nightmare: explore the family estate, solve puzzles, hide from what lurks in the dark, and most importantly... always stay in the light. Will you uncover the truth?

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Planned Release Date: 2026

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About This Game

is a story-driven, first-person psychological horror inspired by genre classics. You play as Arthur, who awakens from a nightmare inside his family estate, a place abandoned years ago. He has no memory of how he got here, yet it’s clear he was expected. But by whom, and for what purpose? You must descend into the darkest corners of the forsaken house to uncover the truth.

But remember: some doors are better left locked.

Darkness Means Doom, Light is Salvation:

Arthur has suffered from nyctophobia since childhood, making the dark literally drive him mad. Your sanity is a fragile resource tied directly to the light. The longer you linger in the shadows or witness the unexplainable, the more reality distorts. Scavenge for fuel, keep your lamp lit, and stay in the light.

Fears Come Alive:

You are powerless against the horrors roaming the mansion. Sometimes your best option is to run; other times, you must become one with the shadows and hide. Avoid the monsters whenever possible, even from a safe distance—just laying eyes on them shatters your mental state. However, a specific item exists within the game to help you combat this fear and restore your sanity.

The Mystery of the Manor:

You must piece together the chronology of events, gathering fragments of the past through scattered notes and forgotten items. Solve puzzles, delve deeper into the abyss of your fears, and uncover the dark secret hidden within the walls of the abandoned estate.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

The developer uses generative AI tools to assist in the creation of certain visual and audio assets. Specifically, AI was utilized during development to generate some base textures that emphasize the game's dark, surrealist environments, as well as to create select ambient sound effects. All generated content was manually refined, optimized, and integrated into the final game by the developer.

Mature Content Description

The developers describe the content like this:

The game contains depictions of blood, violence, and intense psychological horror, including jump scares, panic attacks, and hallucinations. The narrative deeply explores mature and distressing themes, including textual and visual references to alcohol abuse, domestic violence, and a suicide attempt. There is no sexual content.

System Requirements

    Minimum:
    • OS: Windows 10 or 11, 64-bits
    • Processor: TBA
    • Memory: TBA GB RAM
    • Graphics: TBA
    • DirectX: Version 11
    • Storage: TBA GB available space
    Recommended:
    • OS: Windows 10 or 11, 64-bits
    • Processor: TBA
    • Memory: TBA GB RAM
    • Graphics: TBA
    • DirectX: Version 12
    • Storage: TBA GB available space
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