Excerpt from official press release:
After downloading “Microsoft Flight” for free, players can jump into hours of exciting gameplay on the Big Island of Hawaii.
In addition, players who sign in to their Games for Windows – LIVE account automatically receive additional free content, including the legendary Boeing Stearman plane, supplementary missions, and access to Achievements and an Online Pilot Profile. Those looking to deepen their experience can purchase and download additional content that adds new aircraft, regions and customization options. The frequently released new content for “Microsoft Flight” includes daily aerocache challenges and updates that make every flight unique and fun.
I haven’t touched a flight simulator game since Flight Simulator 98. Looks like I’ll be revisiting this soon, though it looks like it might have been dumbed-down from the old Flight Simulator titles. Quick Looks? Maybe? We’ll see!