Protocol

First-person sci-fi adventure where breaking an AI's rules means death

Fair Games Studio · Published by Sad Horse studio · Released Nov 20, 2018

Reviews: Mostly Positive; 71% of 329
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Verified
Last update on Steam: 2 years ago; Dec 4, 2023
Minimum PC: 650 (min 2 Gb); 6 GB RAM · 8 GB disk; Full requirements

What is Protocol?

Protocol is a single-player, first-person adventure set at an Arctic research complex. You explore and solve puzzles as a soldier tasked with following a mysterious AI's instructions to make contact with alien life.

For you if...

+you enjoy science fiction with dark humor and horror elements

Not for you if...

−you dislike repeating tasks after small mistakes

What players say

71% of 329 reviews are positive

Some players praise the story and dialogue, while common complaints concern minigames and awkward controls. Recent reviews also report missing items and bugs that block progress.

Screenshots and trailer

Protocol system requirements

Minimum: 650 (min 2 Gb), 6 GB RAM, 8 GB of disk space.

As published by the developer.

Can my PC run Protocol?

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Minimum

OS: Win 7 or higher 64-bit
Processor: i3-i5 4gen (or similar AMD)
Graphics: NVIDIA GeForce 650 (min 2 Gb)
Memory: 6 GB RAM
Storage: 8 GB available space
DirectX: Version 9.0

Does Protocol have co-op or multiplayer?

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

Single-player

Does Protocol run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
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: 51
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English, Russian. Text only: French, German, Spanish - Spain, Portuguese - Brazil, Traditional Chinese, Simplified Chinese, Korean, Japanese, Polish.

Does 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