If you are looking for the actual game content or how to get it legitimately:
Stacklands | Order and Structure Update | EP. 1 - Let's GOOO!
You can purchase the base game and its official DLCs (like Cursed Worlds or Stacklands 2000 ) from official retailers: Steam Store Itch.io Humble Store Nintendo eShop (for Nintendo Switch)
The "Goldberg" part of the title refers to the , a tool widely used in the piracy community to emulate Steam's online features and bypass DRM (Digital Rights Management). This allows games to run without a valid Steam license. Official Game Information
It is a free content update for Stacklands released on December 14, 2022 . It added new cards and systems designed to improve resource management and introduce simple automation.
The "Order and Structure" pack is unlocked in-game after you complete 34 Quests . Once unlocked, it can be purchased with in-game currency from the top bar of the Mainland board.