Chicago 90 is a single-player sports and racing game in which players can choose to play as either gangsters or police, each with distinct objectives and strategies. In this game, the setting is a city where gangsters attempt to escape while police try to prevent their escape and arrest them, creating a dynamic chase environment. It stands out with its dual gameplay modes, offering players the experience of either evading law enforcement or controlling police cars to contain the gangsters, adding variety and strategic depth to the gameplay.