Compare Grey Goo Definitive Edition prices across trusted key stores and find the best deal. Developed by Petroglyph, Six Foot. Published by Six Foot, Grey Box. Released on 1/23/2015. Available on PC. Genres: Strategy. Metacritic score: 77/100.

A skirmish-and-editor RTS package with a fourth faction folded in, no cosmetic padding, and an online scene that has been quiet for years. Solo players win here.

Strategy players who log most of their hours against the AI and inside a map editor should be looking hard at this edition; anyone shopping for a live online ladder should keep walking. That one split explains nearly every judgement I have about this package. The additions Six Foot and Petroglyph rolled into the Definitive Edition all point at the person playing alone or with a friend on a custom map. None of them do anything about the versus population, and no bundle ever could. So, what is actually in the box. The baseline release was three asymmetric factions, a story campaign, and skirmish. This version adds the Descent of the Shroud content, which brings a fourth faction and its own mission set, and it ships with the level editor plus full Workshop wiring, Cloud saves, leaderboards, achievements and trading cards. Now look at what is absent from that list. No wallpaper pack. No art book you open once and never reopen. No cosmetic skin bundle inflating the item count. The two real additions are a playable faction and a toolset, and both of those directly change your hour count rather than your library screenshot. Compared to most re-labelled editions, that is an unusually honest ratio of usable content to shelf-filler. As context on the base game: this is Westwood DNA, built by people who shipped the RTS games your build orders came from. The Beta play as a mobile, opportunistic faction that can pick up and relocate production. The Humans do the fortified thing, walls and a connected base structure and heavy artillery once the economy stabilises. The Goo are the reason to be here. They have no base at all. You grow one mass, you split it, you park it on resource nodes and let it feed, and your entire macro loop becomes a question of when to divide and when to stay fat. It genuinely rewires the first ten minutes of a match. Add super units per faction and node-based income instead of harvester micro, and you get a game where the economic decisions carry more weight than the unit-by-unit clicking. That suits me fine. The problems are real and the 68 percent Steam score is not unfair. Unit rosters are lean by design, which makes matches read cleanly but caps how many distinct builds you can find in a given faction. The skirmish AI runs a respectable economy and will punish a lazy opening, but it does not adapt well to a committed super unit push, so once you find that timing the higher difficulties stop teaching you much. The campaign is well produced and paced, though it leans on scripted mission beats rather than open sandbox play. And the online side, VAC and leaderboards notwithstanding, is thin enough that you should treat multiplayer as a thing you arrange with friends, not a thing you queue into. The editor and Workshop maps are the actual long tail here. On who should take which version. If you already own the base game and only care about the campaign, the extra faction is a nice-to-have and not a rebuy. If you are new and you want the fullest single-player and skirmish package in one purchase, take this one, because getting the fourth faction and the editor together is the whole point of the edition existing. And if you are new to the genre generally, this is a friendlier entry than its reputation suggests: node control removes most of the harvester babysitting, the faction count is small enough to learn properly, the tutorial and campaign ramp you into each economy in sequence instead of dumping the full toolkit at once, and the skirmish AI at medium is a fair sparring partner for your first twenty hours. Learn the Goo split timing, learn one Human turtle opening, and you will have a working mental model of the whole game. That is a much shorter on-ramp than most modern strategy games offer. Diego, Scout Team

Grey Goo Definitive Edition

Grey Goo Definitive Edition

Jan 23, 2015Petroglyph, Six FootSix Foot, Grey Box
GamerScout Says

A skirmish-and-editor RTS package with a fourth faction folded in, no cosmetic padding, and an online scene that has been quiet for years. Solo players win here.

PC
Best Price Available
€3.40
at Gamivo
Lowest tracked: €3.40
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GamerScout Verdict

Worth it for the fourth faction and level editor if you play solo and skirmish; skip it if you wanted a live online ladder.

Compare Prices(2 stores)

Edition:
GamivoBest price
DefinitiveGlobalSteam KeyKey
€3.40
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€25.19-10%
Priced in EUR by the store
Buy

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Price History

Lowest tracked
€3.405 Sept 2026
Current best
€3.40
Lowest since we started tracking
Keyshops
€3.13€3.31€3.49€3.675 Sept6 Sept7 Sept8 Sept
Tracking prices since 5 Sept 2026
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Screenshots & Media

About Grey Goo Definitive Edition

Strategy players who log most of their hours against the AI and inside a map editor should be looking hard at this edition; anyone shopping for a live online ladder should keep walking. That one split explains nearly every judgement I have about this package. The additions Six Foot and Petroglyph rolled into the Definitive Edition all point at the person playing alone or with a friend on a custom map. None of them do anything about the versus population, and no bundle ever could. So, what is actually in the box. The baseline release was three asymmetric factions, a story campaign, and skirmish. This version adds the Descent of the Shroud content, which brings a fourth faction and its own mission set, and it ships with the level editor plus full Workshop wiring, Cloud saves, leaderboards, achievements and trading cards. Now look at what is absent from that list. No wallpaper pack. No art book you open once and never reopen. No cosmetic skin bundle inflating the item count. The two real additions are a playable faction and a toolset, and both of those directly change your hour count rather than your library screenshot. Compared to most re-labelled editions, that is an unusually honest ratio of usable content to shelf-filler. As context on the base game: this is Westwood DNA, built by people who shipped the RTS games your build orders came from. The Beta play as a mobile, opportunistic faction that can pick up and relocate production. The Humans do the fortified thing, walls and a connected base structure and heavy artillery once the economy stabilises. The Goo are the reason to be here. They have no base at all. You grow one mass, you split it, you park it on resource nodes and let it feed, and your entire macro loop becomes a question of when to divide and when to stay fat. It genuinely rewires the first ten minutes of a match. Add super units per faction and node-based income instead of harvester micro, and you get a game where the economic decisions carry more weight than the unit-by-unit clicking. That suits me fine. The problems are real and the 68 percent Steam score is not unfair. Unit rosters are lean by design, which makes matches read cleanly but caps how many distinct builds you can find in a given faction. The skirmish AI runs a respectable economy and will punish a lazy opening, but it does not adapt well to a committed super unit push, so once you find that timing the higher difficulties stop teaching you much. The campaign is well produced and paced, though it leans on scripted mission beats rather than open sandbox play. And the online side, VAC and leaderboards notwithstanding, is thin enough that you should treat multiplayer as a thing you arrange with friends, not a thing you queue into. The editor and Workshop maps are the actual long tail here. On who should take which version. If you already own the base game and only care about the campaign, the extra faction is a nice-to-have and not a rebuy. If you are new and you want the fullest single-player and skirmish package in one purchase, take this one, because getting the fourth faction and the editor together is the whole point of the edition existing. And if you are new to the genre generally, this is a friendlier entry than its reputation suggests: node control removes most of the harvester babysitting, the faction count is small enough to learn properly, the tutorial and campaign ramp you into each economy in sequence instead of dumping the full toolkit at once, and the skirmish AI at medium is a fair sparring partner for your first twenty hours. Learn the Goo split timing, learn one Human turtle opening, and you will have a working mental model of the whole game. That is a much shorter on-ramp than most modern strategy games offer.

Diego
Diego · Scout Team

Strategy & simulation

Tags

auto-admittedAsymmetric FactionsBase BuildingSuper UnitsSkirmish vs AIMap EditorWorkshop MapsCampaign-Driven RTSResource Node ControlWestwood LineageBaseless EconomyMacro FocusedExpansion BundleExtra Faction IncludedSingle Player RTSLevel Design ToolsQuiet MultiplayerBeginner Friendly RTS

System Requirements

Minimum

Processor
3.5 GHz Intel Core i3 Dual Core or equivalent
Memory
4 GB RAM
Graphics
1024 MB DirectX 11 capable video card (GeForce GTX 460 or AMD Radeon HD 5870)
DirectX
Version 11…

Recommended

Processor
3 GHz Intel Core i5 Quad Core or equivalent
Memory
8 GB RAM
Graphics
1024 MB Direct3D 11 capable video card (GeForce GTX 570 or AMD Radeon HD 7870)
DirectX
Version 1…

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Community Discussion

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Reviews & Ratings

Metacritic
77
Steam
68%(4,332)

Game Info

Developer
Petroglyph, Six Foot
Publisher
Six Foot, Grey Box
Release Date
Jan 23, 2015

Features

Single-playerMultiplayerSteam AchievementsSteam Trading CardsSteam WorkshopSteam CloudValve Anti Cheat enabledStats+3 more

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Frequently asked questions about Grey Goo Definitive Edition

How much does Grey Goo Definitive Edition cost?

As of 8 September 2026, the cheapest in-stock offer for Grey Goo Definitive Edition is €3.40 at Gamivo, out of 2 live offers we track across verified key stores. Prices change daily — the table on this page is refreshed continuously.

Where can I buy Grey Goo Definitive Edition cheapest?

The lowest in-stock price we track for Grey Goo Definitive Edition is €3.40 at Gamivo (8 September 2026). We compare 2 live offers from verified key stores — the full table with every store and its trust score is on this page.

What platforms is Grey Goo Definitive Edition available on?

Grey Goo Definitive Edition is available on PC.

When was Grey Goo Definitive Edition released?

Grey Goo Definitive Edition was released on 23 January 2015.

Who developed Grey Goo Definitive Edition?

Grey Goo Definitive Edition was developed by Petroglyph, Six Foot and published by Six Foot, Grey Box.

Is Grey Goo Definitive Edition worth buying?

Grey Goo Definitive Edition holds a Metacritic score of 77/100, making it one of the standout Strategy titles. See the full reviews, ratings and how-long-to-beat times on this page to decide.