Unknown Armies is a tabletop role-playing game that focuses on modern occult themes and the struggles for power among various factions. Players create characters who navigate a world filled with secret societies, supernatural forces, and personal motivations, often leading to intense moral dilemmas. The game emphasizes a unique system where players can gain and lose power based on their actions and choices. It encourages creativity and improvisation, allowing for a rich storytelling experience. The setting blends elements of horror, urban fantasy, and dark humor, making it distinct within the role-playing genre.