11 bit studios announced that the expansion Frostpunk: The Last Autumn will be published January 21 2020 for PC. The versions for Xbox One e PlayStation 4 they will have to wait a while. The expansion, included in the season pass, is a prequel to the main game.

Here is a brief synopsis:

Find out more about the tragic events that are responsible for the darkness of the world of Frostpunk in the expansion The Last Autumn. The numerous contents, such as the brand new scenery, new mechanics, the unique architecture and the continuum of the story, massively expand the Frostpunk universe.

The expansion provides an overview of the 113 Site events and the inhabitants' efforts to complete the generator before the earth was covered by ice.

Below you can see the trailer the brochure.