This is a German text adventure. The title is "His Last Trick" in English. It's a gangster thriller, set in Chicago in times of prohibition. Mafia boss Don Spazzatura has a speakeasy where they sold water instead of alcohol. Now it's time to take revenge. But be careful, because the people of Spazzatura are also on their tail. This was included in "64'er Software Extra Nr.09: Abenteuer-Spiele - Volume 2".