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Fogline protocol
randomized survivor locations, shifting fog density, and limited resources forcing quick decisions and risky pushes. Survive, extract, upgrade, and dive back in.

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Features
Single-player
Family Sharing
Steam is learning about this game 
Languages:
Interface Full Audio Subtitles
English ✔ ✔

Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“This game is entering Early Access because the larger city, systems, and long‑term game logic are still being built. Early Access lets me develop the world step‑by‑step while gathering real player feedback on pacing, balance, and core mechanics. Community input will help shape how the city expands, how enemies evolve, and which features get prioritized as the game grows.”

Approximately how long will this game be in Early Access?

“The plan is for a short Early Access period — roughly around a month — but this may shift depending on feedback and development needs. The goal is to keep the timeline tight while still giving players a polished final release.”

How is the full version planned to differ from the Early Access version?

“The full version is planned to include an expanded city, additional weapons, new objectives, and more overall content. As development continues, I expect to refine systems, add variety, and improve the overall experience based on community feedback.”

What is the current state of the Early Access version?

“The Early Access build includes the core gameplay loop, basic enemy AI, the first 100 in‑game days, and a partially accessible city (with the remaining areas currently blocked off). All major systems needed to play and understand the game are already implemented.”

Will the game be priced differently during and after Early Access?

“The price is planned to remain the same after full release.”

How are you planning on involving the Community in your development process?

“I’m involving the community through regular feedback, small focused playtests, and a public roadmap that shows what I’m working on next. Players will help shape balance, quality‑of‑life improvements, and feature priorities through polls and discussion, while I keep the core vision consistent. Community feedback directly guides how the game evolves during Early Access.”
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About This Game

Your job is simple: drop into the quarantine zone, locate the survivor, and escape before the fog or the infected tear you apart. Fogline Protocol delivers short, intense extraction runs where every bullet matters and every second counts. rescue your target, and sprint to extraction while the fog tightens around you.

randomized survivor locations, shifting fog density, and limited resources forcing quick decisions and risky pushes. Survive, extract, upgrade, and dive back in.

AI Generated Content Disclosure

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

All ui images are ai generated

Mature Content Description

The developers describe the content like this:

This game contains stylized violence, shooting, and combat against hostile enemies. Players will see blood effects and action‑focused encounters throughout gameplay. The game does not include sexual content, non‑consensual acts, drug or alcohol abuse, or self‑harm themes. Players sensitive to violent scenarios should be aware that combat is a core part of the experience.

System Requirements

    Minimum:
    • OS: windows 10
    • Processor: intel i5-2500
    • Memory: 8 GB RAM
    • Graphics: nvidia GTX 970
    • DirectX: Version 11
    • Storage: 10 GB available space
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