You are a detective and you are really struggling with your latest case as you try to bring down a crime boss. People won't talk and any clues you have found have been worthless, that is until you manage to spot a stooge from the same crime organization. You follow him to a hotel where you manage to knock him out. With certain items on his body you are able to find a fresh approach to your toughest case yet. Masquerade is a graphic text adventure where you see a picture of each location you are in, while text below the picture describes what you can see. You use the keyboard to type in commands to control your hero and interact with various locations and people.