Hearts of Iron 3 Collection is a grand strategy game set during the tumultuous period of World War II, developed by Paradox Interactive. As part of the acclaimed Hearts of Iron series, this installment allows players to take control of any nation during the war, managing everything from military operations to economic policies and diplomatic relations. The game is notable for its depth and complexity, requiring players to engage in both strategic planning and tactical execution on a global scale. With a detailed map of the world, players can choose a variety of paths, whether that be aligning with the Axis or Allies, or opting to pursue a neutral or more obscure national agenda.
The collection includes the base game and several expansions that enhance gameplay and provide more options. Players can dive into various campaigns, experiencing pivotal moments of the war through a dynamic and evolving strategy. The game features a robust military system where players can design and customize their armies, manage supply lines, and engage in battles across diverse terrains. Additionally, the AI adapts to player strategies, making each playthrough unique. The Hearts of Iron 3 Collection is praised for its deep simulation of historical events combined with the freedom for players to shape alternate histories, making it a favorite among strategy enthusiasts and history buffs alike.