ZERO PROTOCOL

First-person survival horror where not every enemy can be killed

R_Games · Released Sep 26, 2024

Reviews: Very Positive; 84% of 516
Recent reviews: Very Positive; 81% of 11 in 30 days
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 6 days ago; Oct 21, 2026
Minimum PC: 512 MB with WebGL support; 2 GB RAM; Full requirements

What is ZERO PROTOCOL?

This first-person sci-fi survival horror game takes place in an Antarctic research complex, where you investigate its secrets. You work out door passwords, find access cards, repair equipment, combine items, and fight enemies. Progression is nonlinear, with choices leading to multiple endings.

For you if...

+you like retro graphics inspired by early 3D games
+you enjoy horror that plays with your character's sanity

Not for you if...

−you want constant action and a lengthy campaign
−you prefer clear directions and forgiving combat

What players say

84% of 516 reviews are positive · 81% of 11 in the last 30 days

Players praise the atmosphere, puzzles, and story. Some criticize the limited scope and basic mechanics.

Screenshots and trailer

ZERO PROTOCOL system requirements

Minimum: 512 MB with WebGL support, 2 GB RAM.

As published by the developer.

Can my PC run ZERO PROTOCOL?

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Minimum

OS: Windows 7 or newer
Processor: Intel Core i3
Graphics: 512 MB graphics card with WebGL support
Memory: 2048 MB RAM

Does ZERO PROTOCOL have co-op or multiplayer?

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

Single-player

Does ZERO PROTOCOL run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 14
Steam features: Cloud saves, Family Sharing, Trading cards
Languages: Text only: English, Russian, French, German, Spanish - Latin America.

Does ZERO PROTOCOL 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