Valve's sticking with Source for now

id Software premiered its id Tech 5 engine in Rage earlier this month, and Epic's Tim Sweeney is hard at work on Unreal Engine 4. By the looks of it, the folks at Valve are less eager to talk up next-generation engine technology. Check out this snippet from GamingLives' interview with Chet Faliszek of Valve:

That's just the way we work with that engine, we've just update it not just replace it, and some point we may say there's Source 2 or whatever, but really for us there's been a pretty easy ...