Two things in gaming right now that are exciting even to non-hard-core gamers are Angry Birds and Microsoft's Kinect. They both allow for addictive gameplay without a lot of investment and knowledge of things like "fragging" and "spawn camping." And now a hacker by the name of Joel Griffin Dodd has combined the two with a hacking tool he helped develop called KinEmote.
It uses a controller, so it's not quite the fully immersive experience one can imagine being developed for the Kinect system, but it's a start.
And Kinect hacking is still in its infancy, as is KinEmote. It's easy to envision a version in the near future that would let you manually pull back your birds to send them at those evil, smug pigs. That certainly sounds gratifying.