Reading PCGamer today, new information about Portal 2 has begun to rear its head from the Valve parapet, with the game now taking place several hundred years after the first. The new changes announced so far include a two-player co-operative mode in addition to the single player, while players can now take advantage of physical effects that “bleed” through portals, such as air from vents or the use of tractor beams through the portals themselves …
