Relax. All done now. Potatoes collected, game digested, portals spent.
Time for more Portal 2! After finishing both of Portal 2's campaigns we sat down with writer Erik Wolpaw to discuss what was – and wasn't – featured in the return to Aperture, the game's ending, and a lady with an especially sexy voice. Needless to say, if you haven't played Portal 2 to the end, this is spoiler