Includes: Hearts of Iron IV Base Game: Paradox Interactive's best-selling grand strategy wargame about the Second World War. Ideologies and armies clash, supported by industrial war machines and cutthroat diplomatic negotiations. Götterdämmerung: This major expansion pack includes additional content for the nations of Central Europe, with a special focus on the German Reich. It also adds new special projects research, where you can direct scientists to develop new and powerful superweapons. G...