Half-Life 2's initial arrival almost exactly a year ago on PC certainly didn't reinvent the wheel as many expected and demanded, but it grabbed hold of the stagnant genre with a gravity gun and purposefully thrust it into a compelling new direction. It's not so much a case of having the T-shirt, as having a bin bag full of XL ones. One of the central problems of the first person shooter is we've pretty much been there, done that so many times, we're a little travel-weary.
