


All we can say with certainty is that the sequel to Half-Life 2, Valve's 2004 FPS masterpiece, is the subject of obsessive speculation and internet sleuthing at its 'finest' – a situation that must be looked on with no small amusement, and perhaps some trepidation, from the company's Seattle HQ. It could pop up on Steam tomorrow, but at the time of writing it is a ghost.
