XSp.

Guys from the Augmented Environments Labs (Georgia Tech) made this very interesting proof of concept game that uses an nVidia Tegra to create a real time Augmented Reality map with a Zombie Shooter game:

Very interesting! Despite Augmented Reality being around for a while, developers have a hard time finding a way to use it effectively to create apps and games that makes good use of it.
Nice to see some folks are finding out new insteresting ways to make games with it.

Source: IndieGames