Hearts of Iron IV: Trial of Allegiance | Official Announcement Trailer

This is an Expansion for the grand strategy simulation Hearts of Iron IV, requiring the base game to play. Released in 2024, it shifts the strategic focus to South America, allowing players to lead nations like Argentina, Brazil, or Chile through alternate WWII histories. The core gameplay loop involves utilizing new, nation-specific focus trees to build regional superpowers or align with global blocs, managing local resources and manpower within the established grand strategy framework. It adds substantial regional depth for veteran players.