CityRiddle - Barcelona escape

Instead of standard going around with a map without an idea what to look at and what to search now you can through the interesting places of Barcelona resolving riddle at the same time! You gonna see little details and places which tourists never see, and you gonna have a lot of fun.

Or let's put it the other way round: you know those escape rooms out there, right?
This is something like that, but... in the city of Barcelona.

This is sightseeing you gonna love.
You must check it out!