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Grey Goo

StrategyRTSSci-fiMultiplayerAliens69% positive on Steam
PetroglyphReleased 23 Jan 2015
23 active offers across 8 stores

All offers (23)

Compare the platform, region and delivery before you buy.

Delivery
Edition

Standard Edition 8 offers · EU & Global

  • Grey Goo Steam CD KeyActivation key
    SteamGlobal
    Lowest price€3.99+ payment fee
    View deal
  • Grey Goo EN/DE/FR/IT/PL/PT/RU/ES GlobalActivation key
    SteamGlobal
    €4.07+ service fee
    View deal
  • Grey Goo (Global) (PC) - Steam - Digital KeyActivation key
    SteamGlobal
    €4.16no Plus, no Protect
    View deal
  • Grey Goo (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €4.36+ service fee
    View deal
  • Grey Goo Steam Key GLOBALActivation key
    SteamGlobal
    €4.41+ fee possible
    View deal
  • Grey Goo Steam KeyActivation key
    SteamGlobal
    €4.86
    View deal
  • Grey Goo Steam Key GLOBALActivation key
    SteamGlobal
    €5.09+ service fee
    View deal
  • Grey Goo (PC) Steam Key EUROPEActivation key
    SteamEurope
    €15.03+ fee possible
    View deal

Definitive Edition 14 offers · EU & Global

  • Grey Goo Definitive Edition EU PC Steam CD KeyActivation key
    SteamEurope
    €2.99+ payment fee
    View deal
  • Grey Goo Definitive Edition (PC) Steam Key EUROPEActivation key
    SteamEurope
    €3.37+ fee possible
    View deal
  • Grey Goo Definitive Edition Steam CD KeyActivation key
    SteamGlobal
    €3.50+ payment fee
    View deal
  • Grey Goo Definitive Edition EN/DE/FR/IT/PL/PT/RU/ES GlobalActivation key
    SteamGlobal
    €3.61+ service fee
    View deal
  • Grey Goo Definitive Edition (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €3.61+ service fee
    View deal
  • Grey Goo Definitive Edition (PC) Steam Key GLOBALActivation key
    SteamGlobal
    €3.87+ fee possible
    View deal
  • Grey Goo Definitive Edition (Global) (PC) - Steam - Digital KeyActivation key
    SteamGlobal
    €4.18no Plus, no Protect
    View deal
  • Grey Goo Definitive Edition Steam Key: Europe & UKActivation key
    SteamEurope
    €4.29
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €27.99No fee
    View on Steam

Other regions 1 offer

Sold for Latin America, North America, Asia, the Middle East, Russia or an unspecified region. These keys usually cannot be activated from Germany.

  • Grey Goo ASIA Steam GiftSteam gift
    SteamAsia
    €8.48+ payment fee
    View deal

You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.

Best price over the last 32 days

€30.00€20.00€10.00€0.0011 Oct 202611 Nov 2026
  • Lowest €3.2416 Oct 2026
  • Highest €4.4929 Oct 2026
  • Today €3.99

The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.

Grey Goo screenshot 1Grey Goo screenshot 2Grey Goo screenshot 3Grey Goo screenshot 4

Buy Grey Goo key: current price comparison

Where is the Grey Goo key cheapest?

The cheapest Grey Goo key that activates in the EU currently costs €3.99 at Kinguin. Keyfinder compares 23 offers from 8 shops for this price. That is 86% less than the Steam price of €27.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Grey Goo key price in the last 32 days?

€3.24 on 16 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €4.49 on 29 Oct 2026; today the cheapest key costs €3.99.

Which Grey Goo keys activate in the EU?

22 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.

What a game key is and how to read an offer

How do I activate the Grey Goo key?

The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.

How to redeem a Steam key

Is it safe to buy a Grey Goo key from Kinguin?

Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.

Is Kinguin legit? Read our check

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About Grey Goo

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.

Developer
Petroglyph
Publisher
Six Foot
Release date
23 Jan 2015
Steam
View on Steam