Released Jan 23, 2015 $29.99 Mixed Counts toward your Steam games

Grey Goo

By Petroglyph · published by Six Foot

Strategy RTS Sci-fi Multiplayer Aliens Base BuildingGreat SoundtrackSingleplayer MechsRobotsFemale ProtagonistFuturistic

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Followers —

Reviews 2,606 Mixed

Players yesterday 5 at the busiest moment

Owners 200K–500K estimated

Grey Goo is a game tagged Strategy, RTS and Sci-fi by Petroglyph, released Jan 23, 2015. It has 2,606 Steam reviews (Mixed). It has an estimated 200K–500K owners on Steam. The Steam games most like it include Supreme Commander, Supreme Commander: Forged Alliance and Meridian: New World.

Fight for control of a frontier world. Gather resources, build your base, and command your forces in battle. Survive long enough to unleash your ultimate weapon - THE EPIC.

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<a href="https://launchrivals.com/games/290790-grey-goo"><img src="https://launchrivals.com/games/290790/badge.png" alt="Grey Goo launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/290790-grey-goo"><img src="https://launchrivals.com/games/290790/badge.png?theme=light" alt="Grey Goo launch date" width="320" height="84"></a>

Supreme Commander 97% match · Strategy, RTS, Sci-fi
Supreme Commander: Forged Alliance 96% match · Strategy, RTS, Sci-fi
Meridian: New World 85% match · Strategy, RTS, Sci-fi
Perimeter 84% match · Strategy, RTS, Sci-fi
Metal Fatigue 82% match · Strategy, RTS, Sci-fi
Etherium 81% match · Strategy, RTS, Sci-fi
Homeworld: Deserts of Kharak 80% match · Strategy, RTS, Sci-fi
reconquest 80% match · Strategy, RTS, Base Building
Ancient Space 80% match · Strategy, RTS, Sci-fi
Z Steel Soldiers 80% match · Strategy, RTS, Sci-fi

Steam data

Everything Steam lists for Grey Goo · record updated 1 day ago

Steam store

Overview

App ID290790

Release dateJan 23, 2015

Last change number39323160

Last record update1 day ago

App type: Game
Developer: Petroglyph, Six Foot
Publisher: Six Foot, Grey Box
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Metacritic: 77
Website: greybox.com/greygoo/en

Language	Interface	Full audio	Subtitles
English	Yes	Yes	Yes
French	Yes		Yes
Italian	Yes		Yes
German	Yes	Yes	Yes
Spanish - Spain	Yes		Yes
Portuguese - Brazil	Yes		Yes
Russian	Yes		Yes
Polish	Yes		Yes

Windows

Steam Deck: Playable

Single-playerMulti-playerSteam AchievementsSteam Trading CardsSteam WorkshopSteam CloudStatsSteam LeaderboardsIncludes level editorFamily Sharing

Prices

Price · US$29.99

On sale0 of 41regions right now

Lowest seen · US$29.99Oct 24, 2026

Checked1 day agoin 41 regions

Latin America (USD)$USD

Every price change is kept from Oct 24, 2026 on. Pick a region below to compare.

Patches

Build	Branch	Updated
1035678	public	Mar 29, 2016

Packages & DLC

ID	Name	Games	Price (US)
90948	Grey Goo Definitive Edition	1	$29.99

ID	Name	Price (US)
341810	Not on the store yet	—
357180	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
228983	— shared from 228980	Windows	—	—	—
228990	— shared from 228980	Windows	—	—	—
290791	—	Windows	14.62 GB	10.39 GB	7441520975521334438
290792	— Koreana	Windows	—	—	2470910452335130190
341810	— DLC 341810	All	403.1 MB	402.5 MB	770428089551942856
357180	— DLC 357180	All	2.59 GB	1.49 GB	7535105980991309784