After having a few days ago provided the first details on Portal 2, here now the first image scanned by U.S. magazine Game Informer, a mix of artworks, which explain the mechanisms of new puzzles and ingame screenshots. The new game has a bigger development team and dedicated, which would require a much deeper way: although also not declaring an exact number of hours, the developers said that it will be much longer than the original title (which is completed in about 4 hours).