Petroglyph is bringing decades of combined RTS expertise to bear with Grey Goo. The game draws on the best aspects of base building, unit management and all-out warfare for an all-new space saga, removing the tedium and frustration often associated with the genre and focusing on deep, engaging tactical systems modeled on vintage RTS gameplay.

Centuries after Humanity first left Earth, all forms of life in the Milky Way have evolved toward an inward tranquility. But there has been a mutation. A mysterious organism barrels toward the surface of a lone, resource-rich planet known as Ecosystem 9, on a mission to consume all it encounters.

Grey Goo is a real-time strategy (RTS) game that combines classic strategy mechanics and a balanced combat system with an emphasis on large-scale decision-making. It puts you at the center of a tactical struggle for survival—and ultimately, control of Ecosystem 9.

Command one of three unique factions: the Humans, masters of defensive architecture; the Beta, a proud, versatile alien race; or the Goo, an enigmatic, highly mobile life form. Fight from behind massive walls, attack from strategic outposts, or swallow your enemies whole. Just remember, the choices you make on the battlefield will mean the difference between glorious victory and agonizing defeat.

Grey Goo's Descent of the Shroud evolves the competitive, sci-fi, real-time strategy (RTS) game with a new, fully designed faction, playable in both multiplayer and offline skirmish mode against the AI. A new single-player campaign mission, taking place after the events of the main story, introduces and sets the stage for war against the Shroud, an enigmatic species that grows its units and structures, one which now threatens all life on Ecosystem 9.

“Descent of the Shroud” also brings new units to the game’s three original races. Betas can now deploy the Squall, a ranged ground unit with a knockback effect. The Goo Siphon drains health from enemies and transfers it to allies. And the Humans’ Valiant AI bot can deploy a shield that redirects damage away from friendly allies toward itself.

In addition, Grey Goo has relaunched as the Grey Goo Definitive Edition on Steam, now for the permanently reduced price of $29.99, and includes the original game, the previously released DLC campaign – “Emergence,” the “Descent of the Shroud” DLC, and Grey Goo’s expanded, complete soundtrack.

Features

• Find the faction that fits your play style—and master it by taking on the AI or the Grey Goo community.
• Experience the conflict on Ecosystem 9 up close and personal in the single-player campaign.
• Join the fray on Steam and find opponents through skill-based matchmaking.
• Change the rules of the battlefield with unit-altering tech upgrades.
• Deliver devastating blows by constructing game-ending Epic units.
• Take the battle offline via Local Area Network play.
• Create your own battlefields with the Grey Goo map editor and share them with the community via Steam Workshop.

Currently available as digital download, Grey Goo will be released in retail stores in April 2015 for 39,99 €.