The Subject is a first-person sci-fi horror game with puzzle elements. The events of the game will take you to a disastrous future where prisoners act as commodities. Buyers can do whatever they want with the purchased prisoners: free them, abuse them, conduct experiments, or simply kill them. You have to plunge into the body of a prisoner who has become an object in a terrible test. The main character finds himself in a labyrinth in which something terrible lives. You have to remember every turn in the maze in order to find the exit in time.