Buy Grey Goo Definitive Edition PC key

Grey Goo is a real-time strategy game about three intelligent lifeforms fighting for the resources of Ecosystem 9, a remote world. You build bases and command forces in a tactical struggle for survival and control, using classic strategy mechanics and a balanced combat system.

Factions and campaign

The single-player campaign lets you command three factions: the Humans, masters of defensive architecture; the Beta, a proud and versatile alien race; and the Goo, an enigmatic, highly mobile life form. Multiplayer includes these factions and the Shroud, a disruptive and unpredictable fourth faction that you can fight against or play as.

The additional story arc Grey Goo: Emergence explores the Goo’s true intentions. Mission 16, “Herald of Silence,” pits you against the Shroud.

Units and battle tactics

The Humans’ Valiant, the Beta’s Squall and the Goo’s Siphon are among the units you can command. Unit-altering tech upgrades change the rules of the battlefield, while Epic units can deliver devastating blows and end a game.

You can practise your tactics in the single-player campaign or compete against other players through skill-based matchmaking. Replay Mode and Observer Mode support competitive play.

Multiplayer and maps

You can play multiplayer over a local area network. The Map Editor lets you create battlefields and share them through Steam Workshop.