Paradox Interactive and Paradox Development Studio today released Res Publica, the newest expansion for Europa Universalis IV, the award-winning grand strategy game of empire-building and global domination. Res Publica provides eager emperors and dedicated dictators with new options for trading and governing their empires, and is available now for Windows, Mac, and Linux for $4.99. Players can purchase and download the expansion now at www.europauniversalis4.com.