Microsoft's E3 keynote was so jam-packed the company decided to wait until afterwards to announce what might be the biggest new feature of them all: on-demand access to full retail games. The service will launch in fall with 30 titles to start, and new games will be added weekly. The best part? Purchases can be made directly with a credit card, no pesky Xbox points required. DevelopingFiled under: GamingXbox 360 getting full retail games delivered on demand originally appeared on Engadget on Mon, 01 Jun 2009 15:47:00 EST. Please see our terms for use of feeds.