The main task in Shadows of Doubt is to conduct an investigation and find a maniac, using various methods and alternative paths. Will go out to sneak, track, hide, hack systems or locks, etc. The events take place on the streets of the city in the 1980s, where hyperindustrialization is shown. The world is dominated by corporations that create totalitarian power and dystopia. The player will take on the role of a private intelligence officer who makes his living by searching and selling valuable information.
During the passage, you will have to complete the main plot tasks. You can also do side quests to get extra money. Gamers will have complete freedom of action to visit noisy and smoky bars, a shady casino or a seedy hotel room. Each room in the buildings can be explored, looking for documentation. You can hack security systems and terminals, as well as communicate with other residents. The world supports a full life simulation, where each character goes about their daily routine and completes scheduled tasks.