1. Follow : https://foursquare.com/
2. Check in to 5 Madrid spots on this list to unlock the 'Madrileño' badge! ;
Madrileño Badge message: Post siesta, you meet up with friends and sip a clara (o dos). Next thing you know, you're wandering through Sol at five in the morning, feet aching, with a craving for churros con chocolate and no hope of catching el último Búho. ¡Mola mazo!