PCGame

Grey Goo

Sci-fi real-time strategy with base building and a mobile faction

Petroglyph, Six Foot · Published by Six Foot, Grey Box · Released Jan 23, 2015

Strategy

Reviews
Mixed
68% of 4,335
Recent reviews
Not enough recent
Players
5
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
10 years ago
Mar 29, 2016
Minimum PC
GeForce GTX 460
4 GB RAM · 15 GB disk
Full requirements

Metacritic: 77/100 (critic reviews)

What is Grey Goo?

Grey Goo is a sci-fi real-time strategy game set on Ecosystem 9, where intelligent lifeforms fight over resources. You gather resources, build bases and units, and command armies through a single-player campaign as the Humans, Beta, or Goo. Multiplayer adds the Shroud as a playable faction.

For you if...

  • +you enjoy building bases and managing resources
  • +you want a sci-fi single-player strategy campaign
  • +you prefer commanding armies over managing individual units

Not for you if...

  • −you want fast construction and brisk combat
  • −you need a long single-player campaign
  • −you rely on public matchmaking to find opponents

What players say

68% of 4,335 reviews are positive

Players praise the factions' different playstyles, cinematic cutscenes, and soundtrack. Common complaints are slow pacing, a short campaign, and difficulty finding multiplayer opponents. Some players also criticize unit pathfinding.

How many players finish Grey Goo?

10% of Steam players have unlocked «End of the Beginning», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Grey Goo screenshot 1

Grey Goo system requirements

Minimum: GeForce GTX 460, 4 GB RAM, 15 GB of disk space.

As published by the developer.

Can my PC run Grey Goo?

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Minimum

OS
32-bit Windows 7
Processor
3.5 GHz Intel Core i3 Dual Core or equivalent
Graphics
1024 MB DirectX 11 capable video card (GeForce GTX 460 or AMD Radeon HD 5870)
Memory
4 GB RAM
Storage
15 GB available space
DirectX
Version 11

Recommended

OS
64-bit Windows 7
Processor
3 GHz Intel Core i5 Quad Core or equivalent
Graphics
1024 MB Direct3D 11 capable video card (GeForce GTX 570 or AMD Radeon HD 7870)
Memory
8 GB RAM
Storage
15 GB available space
DirectX
Version 11

Does Grey Goo have co-op or multiplayer?

Yes: multiplayer (mode not specified). It also has a single-player mode.

Does Grey Goo run on Steam Deck?

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

  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • Some text entry requires manually opening the on-screen keyboard
  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
35
Steam features
Workshop, Cloud saves, Family Sharing, Trading cards
Languages
Full audio: English, German. Text only: French, Italian, Spanish - Spain, Portuguese - Brazil, Russian, Polish.

Does Grey Goo 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 25, 2026. How to filter AI games on Steam

Tags

Recent updates

2 DLC available.

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