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Atheris CD Key

A tense sci-fi horror adventure aboard the drifting research vessel Atheris. Dr. Elhias Roth awakens from cryosleep, must uncover memories, survive lethal creatures, and scarce ammo in a claustrophobic, retro-industrial setting. A compact, single-session experience where every choice shapes escape or doom.
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Current Lowest Price

3.99$
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Release Date

10 Feb, 2026

Publisher/Developer

Weird Potro Studio

Reviews

Steam: 80.00% positive (4/5)
Metacritic: -

Atheris Steam Price History Chart

Current Steam price: 3.99$
Lowest Steam price ever: 1.19$ — 2026-07-09
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Atheris description

Atheris

Atheris is a tense sci-fi horror adventure set aboard a research vessel adrift in the cold void of deep space. When the ship awakens from cryosleep, the decaying Atheris reveals its secrets slowly, and you follow the fragmented memories of Dr. Elhias Roth as he searches for identity, purpose, and a way to survive. The pulse of the vessel, the hiss of life-support, and the creak of rusting hull frames the mystery that surrounds him. Every encounter pushes him closer to the truth—and closer to death.

As you explore, you piece together what happened through environmental storytelling, audio logs, and the ruined corridors that tell a story without words. The claustrophobic design channels classic sci-fi terror, where air becomes scarce, lights flicker, and sounds are the only guide through darkness. The setting rewards careful observation: read markings on a wall, reconstruct a malfunctioning system, or bait a threat to advance your own goals. Your decisions carry weight, and your ability to manage combat, ration scarce ammunition, and keep your own nerves intact will decide if you escape the hull or fade away as just another corpse among the stars.

Combat is tactical and dangerous, forcing you to weigh risk against reward. The threat is relentless—abominable creatures that stalk the ship and exploit every corner of the environment. You’ll need to improvise, back away from overwhelming force, or outsmart your pursuers when possible. The tension is continuous, from sealed corridors to open orbital views that hint at the vastness outside, reminding you that you are utterly alone with your thoughts and your fear.

The design embraces a retro-industrial aesthetic with cinematic inspiration, delivering a compact experience designed to be completed in a single session. The emphasis on a minimal interface and environmental narrative keeps you immersed in the moment, letting the ship itself tell the story as you uncover the truth behind the experiment, the crew’s fate, and Roth’s own connection to it all.

Progress carries you through the ship's varied zones—laboratories, cargo bays, crew quarters, and maintenance shafts—each with distinct hazards, puzzles, and visuals that deepen the mystery. The more you uncover, the more you understand why you were awakened and what your link is to the experiments that spiraled out of control. Atheris is built to be completed in a single, nerve-wracking session, keeping the pressure high from the first breath to the last.

  • Compact sci-fi horror designed to be completed in a single session
  • Relentless creatures threaten the protagonist at every turn
  • Retro-industrial atmosphere with strong cinematic inspiration
  • Minimal interface and environmental storytelling for full immersion