On January 5, Portal: Revolution, a fan expansion to Portal 2 will be released. It will tell the story of the events between Part 1 and Part 2

If you have completed Portal and Portal 2 and want new content, Portal will be released on 5 January: Revolution, a free DLC for Portal 2, will be released on January 5.

Here's What We Know

Portal: Revolution is a fan-made modification developed by 7 people. It takes place between Portal and Portal 2 in the dead object Aperture. The game will have 40 new puzzles. According to one of the developers, they have been actively testing the game and are convinced that everyone will be able to complete it. In general, Portal: Revolution will take 5 to 7 hours to complete.

The authors also published a trailer showing new locations and challenges.

Portal: Revolution already has a page on Steam, and the project can be added to the wishlist.

Source: Stefan Heinz