Paradox Interactive is one the leading publisher of strategy games for computers and consoles. The company started its service in 1999 and has published various renowned games since then. The company has steadily published a wide range of games including the Age of Wonders series, Stellaris series, Heart of Iron, Crusader Kings, Europa Universalis, and award-winning games such as Cities: Skylines, Pillars of Eternity, and many more. The company also owns White Wolf Interactive which is a self-operating subsidiary with its own goals and staff. Their head office is located in Stockholm, Sweden. There is to provide challenging games to their customers with hours/days of gameplay.