Eurogamer.com has word that the expected expansion pack for Half-Life 2 is already in the works. Reporting on information gleaned from PC Gamer UK, the site has learned that the expansion will be entitled 'Aftermath' and is currently slated for a summer release. Aftermath will deal with the fallout from the events at the close of the PC title as the residents of City 17 make for the hills in an attempt to get to safety. Alyx Vance, heroine and robot wrangler, will play a larger role in the expansion, but the article doesn't give specific details on what exactly her relationship to you as the player will be. From the article: "The reason we're able to do this, and why it's so exciting is because of Steam. If we were doing this without Steam we'd have to put it in a box, we'd have to start figuring out shelf space over a year beforehand. You'd see it six years from now..."