foursquare badge: Harry Potter
Seven years after Harry Potter learned that he is a wizard, it’s just him against the Dark Lord. Join the battle at http://bit.ly/pIXd21, with code ‘harrypotter25′ for 25% off the of the video game. Grab your wands. The final battle is here.
How to unlock:
Check in at a theater showing the latest Harry Potter movie and shout “Harry Potter”