Vitruvian Re-boxing : Vienna

About Vienna, from BoardGameGeek:

Vienna is a re-imagining of 2014's La Isla in which players will search to discover spies hidden around the city. You are the brains of competing nongovernmental secret agencies in post-war times around 1950, steering your agents on the streets of Vienna. Your agents are looking for top-ranking whistle-blowers and their secret information on culture, administration, religion, nobility, and science. You send your agents to different buildings in Vienna to control the neighboring squares, where the whistle-blowers are supposed to meet you and share their secret information. It is your aim to track down and seize these items that are of great value to you.