Portal 2 New DLC Announced and Screens

In-game map editor to be released early 2012
The second game add-on for Portal 2, is in development and targeted for release early next year, Valve announced. This major update will feature an easy-to-use in-game map editor that will let users design, build and share their own single-player and co-op test chambers with the community, who will be able to view, play and vote on them with a simple click. Two pics found their way in our gallery.