It has been almost five years since Valve released Half-Life 2: Episode 2, and up until now there have been very little signs that Valve will continue or is working on another Half-Life game. A few days ago, however, some supposed leaked concept art of the next Half-Life surfaced via Valve Time. The concept art doesn't reveal much about what Valve may have in mind for the next Half-Life because most of the pictures are depictions of Alyx Vance and some apparel for enduring cold weather. The ending of Half-Life 2: Episode 2 suggested that Freeman and Vance were heading to the Borealis, hence, the crashed helicopter in the snow and some snuggly outfits. You can check out all the concept art via this Facebook page, and follow this steam forum thread and decide for yourself if Valve is indeed working on another Half-Life title. We have reached out to Valve concerning the concept art, but have not received any response. We’ll update if and when Valve decide to reply.