Dubiose Spielchen [Dubious games]

Something is wrong with Walter Kuckelkorn, the self-proclaimed Aachen board game king, his neighbor is sure of that. Why else is he constantly looking for new players for his regular game nights and has them go through an acceptance procedure that comes close to a personal check? And why does he have a guy coming and going that you don't want to meet in the dark? As an undercover police officer, you actually have other worries. On your desk are reports of a number of strange burglaries in which collectibles were deliberately stolen - including the coveted and extremely valuable prize for the best family game "The Golden Double" . The fact that your nose is just beginning to smell a connection is not enough for a search warrant. But there are other ways to look around there...