WW2 strategy game, Hearts of Iron IV, latest update, detailed tanks, improved AI, new focus trees, dynamic weather effects, enhanced graphics, realistic troop movements, strategic resource management, political intrigue, global tension, historical accuracy, immersive sound design, multiplayer balancing, user interface refinement, mod support, extended timeline, alternate history scenarios, military logistics, naval warfare overhaul, air superiority, espionage system, soft light, top-down view, isometric perspective, real-time tactics, grand strategy, complex economic system, diplomacy expansion, war room atmosphere, interactive tutorial, in-depth combat analytics, 4X elements, fog of war, supply lines, historical events, nation-specific abilities, adaptive AI opponents, strategic map icons, high-resolution textures.