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Atheris
Atheris is a third-person sci-fi survival horror game where you explore an industrial spaceship, manage limited resources, and face deadly creatures while fighting to stay alive in a claustrophobic and hostile environment.

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Features
Single-player
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔ ✔ ✔
This game is not yet available on Steam

Planned Release Date: Feb 10, 2026

This game plans to unlock in approximately 4 weeks

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About This Game

Atheris is a tense sci-fi horror adventure set aboard a research vessel drifting through deep space. After a violent awakening from cryosleep inside the decaying Atheris, Dr. Elhias Roth must piece together his memories, rediscover his purpose, and—above all—avoid suffering the same fate as the rest of the crew.

The game blends tense exploration, environmental storytelling, and a claustrophobic design inspired by classic sci-fi. Every decision matters, and your ability to manage combat, scarce ammunition, and your own composure will determine whether you escape… or become just another corpse floating through space.

Features
• Compact sci-fi horror experience designed to be completed in a single session.
• Abominable and highly dangerous creatures that relentlessly threaten the protagonist.
• Retro-industrial atmosphere with strong cinematic inspiration.
• Minimal interface and environmental narrative for full immersion.

AI Generated Content Disclosure

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

AI tools were used to create some marketing materials and certain illustrative assets featured within the game.

System Requirements

    Minimum:
    • OS *: Windows 7 64-bit, Windows 8.1, Windows 10, Windows 11
    • Processor: Intel Core i3-2100 / AMD® FX-6300
    • Memory: 4 GB RAM
    • Graphics: NVIDIA® GeForce GTX 750 Ti / ATI Radeon HD 7950
    • Storage: 8 GB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
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