Several episodes ago we took a spoiler-free look at Valve's Portal 2 for the PC, Mac, Sony PlayStation 3, and Microsoft Xbox 360 with a promise that we'd return to the topic to have a deeper, spoiler-packed discussion once more of you out there had a chance to finish the game. Now is that future time. This week on Power Button we analyze Portal 2 to within an inch of its digital life with discussions on the storyline, GLaDOS's evolution, the rise and fall of Aperture Science, the madness of Cave Johnson, and much more. Brad Hilderbrand, Joey Davidson, and I have been completely enamored with this game and this is our chance to explain just why. Download this week's episode directly from PTB, listen with the player below, or subscribe via iTunes, and be sure to catch up on past episodes if you're joining us late. Remember that you can reach all three of us via and you can even follow all of us on Twitter at @PressTheButtons,@aubradley84, and @JoeyDavidson or for just podcast updates, @ThePowerButton. Next week: we go to space celebrate our landmark fiftieth episode! Join us and our guests for some surprises!