Paradox Interactive AB (publ) is a Sweden-based company engaged in the development and publishing of personal computer (PC)-based strategy games. The Company's portfolio includes PC franchises such as Europa Universalis, Crusader Kings, Victoria and the Hearts of Iron series, as well as titles on other platforms such as Lead and Gold: Gangs of the Wild West released on PlayStationNetwork for the PlayStation3 and Defenders of Ardania on iPad as well as PC. Paradox Interactive has offices in Umea and Stockholm, Sweden. Additionally, the Company works with a number of distributors worldwide and is present on several digital download portals. It owns numerous subsidiaries, among which is Triumph Studios.