Athanasy

Biopunk horror visual novel set in a sunless underground city

Wirion · Published by ST Sinovar · Released Apr 13, 2022

Reviews: Overwhelmingly Positive; 97% of 521
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 4 years ago; Jul 10, 2022
Minimum PC: DirectX 9 GPU; 2 GB RAM · 0.8 GB disk; Full requirements

What is Athanasy?

This visual novel follows Josiah Kaviani, an isolated young mathematician whose encounter draws him toward a dangerous secret. You read the story and make difficult choices that branch toward different endings, sometimes bringing his story to an early close.

For you if...

+you enjoy piecing together mysteries through different story routes
+you seek dark science fiction about biotechnology and society

Not for you if...

−you prefer action over reading and dialogue choices
−you want hopeful stories without gore or body horror

What players say

97% of 521 reviews are positive

Players praise the worldbuilding, artwork, and soundtrack. English translation issues draw some criticism, though a recent reviewer describes them as minor.

Screenshots and trailer

Athanasy system requirements

Minimum: DirectX 9 GPU, 2 GB RAM, 0.8 GB of disk space.

As published by the developer.

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Minimum

OS: Microsoft Windows 7
Processor: Intel Pentium IV or higher
Graphics: with 512 MB VRAM compatible with DirectX 9
Memory: 2 GB RAM
Storage: 810 MB available space
DirectX: Version 9.0

Does Athanasy have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Athanasy run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS, Linux
Achievements: 11
Steam features: Cloud saves, Family Sharing
Languages: Text only: Russian, English.

Does Athanasy use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam