The player in Prison Architect is responsible for building cells, facilities, and utilities. They must also hire and manage staff including the warden, guards, and workers, and manage the prison’s finances. The ultimate goal (depending on how you play) is keeping the inmates content and reducing repeat offenses.
According to Rock, Paper, Shotgun, the developers tried to make the update more complex than just putting different skins on their existing resources. Female prisoners have different needs and “don’t fight as effectively against guards of the opposite sex.” Female prisoners also have babies sometimes, and there are Mother and Baby Units—just as in real prisons.