This trail across bratislavas old townis an experience where yousolve 10 clues via text message the trail takes you exploring the oldest parts of the city and takes you discovering monuments known sights and lesser known spots whilst solving the cryptic clues youll learn aboutbratislavas history we recommended playing with 2 5 people per team you can play one trail per phone number at a time you can buy more than onetrail using the same phone number howeveryou can only start play