Put that GPS to use and load up these apps to get you moving and interacting with your surroundings.
Foursquare — Best City Guide
The original competition location based app. Check-in to gather badges and fight for mayorship of your favorite hangout spots.
This app is foursquare with challenges. It’s a virtual scavenger hunt that gives you points for check-ins and completing missions.
Zombie Attack uses your GPS to locate you and place virtual zombies on the map around you. Avoid them to stay alive. The app has increasing difficultly levels that include a higher number of faster zombies to keep you on your toes.