PC游戏《钢铁雄心4 Hearts of Iron IV》中文v1.16.2，是一款模拟战争与政治决策的深度策略游戏。玩家需管理国家的军事、经济、外交等多方面，体验高度真实的战争模拟，包含地形、天气、单位行为等细节。
中文设置：先启动游戏后关闭，打开路径“我的文档\Paradox Interactive\Hearts of Iron IV”，用记事本编辑“pdx_settings.txt”，加入以下代码并保存：
"System"={
"language"={
value="l_simp_chinese"
version=0
}
}
重启游戏即可体验官方中文。
游戏中，玩家需制定战略、指挥部队、管理资源、发展工业、处理外交关系，还可参与历史事件，深入了解二战背景。游戏考验战略思维与历史认知，展现战争的复杂与残酷。
包含DLC：
- Hearts of Iron IV: German Tanks Pack
- Hearts of Iron IV: French Tanks Pack
- Hearts of Iron IV: Famous Battleships Unit Pack
- Hearts of Iron IV: Heavy Cruisers Unit Pack
- Hearts of Iron IV: Soviet Tanks Unit Pack
- Hearts of Iron IV: US Tanks Unit Pack
- Hearts of Iron IV: British Tanks Unit Pack
- Hearts of Iron IV: German March Order Music Pack
- Hearts of Iron IV: Allied Radio Music Pack
- Hearts of Iron IV: Rocket Launcher Unit Pack
- Hearts of Iron IV: Poland – United and Ready
- Hearts of Iron IV: German Historical Portraits
- Hearts of Iron IV: Sabaton Soundtrack
- Hearts of Iron IV: Wallpaper
- Hearts of Iron IV: Artbook
- Hearts of Iron IV: Original Soundtrack
- Hearts of Iron IV: Together for Victory
- Hearts of Iron IV: Death or Dishonor
- Hearts of Iron IV: Sabaton Soundtrack Vol. 2
- Hearts of Iron IV: Anniversary Pack
- Hearts of Iron IV: Waking the Tiger
- Hearts of Iron IV: Man the Guns
- Hearts of Iron IV: Man the Guns Wallpaper (Pre-Order)
- Hearts of Iron IV: Axis Armor Pack
- Hearts of Iron IV: Radio Pack
- Hearts of Iron IV: La Resistance
- Hearts of Iron IV: La Resistance Pre-Order Bonus
- Hearts of Iron IV: Allied Armor Pack
- Hearts of Iron IV: Allied Speeches Music Pack
- Hearts of Iron IV: Battle for the Bosporus
- Hearts of Iron IV: No Step Back
- Hearts of Iron IV: Eastern Front Planes Pack
- Hearts of Iron IV: Eastern Front Music Pack
- Hearts of Iron IV: No Step Back “Katyusha” (Pre-Order Bonus)
- Hearts of Iron IV: By Blood Alone
- Hearts of Iron IV: By Blood Alone (Pre-Order Bonus)
- Hearts of Iron IV: Arms Against Tyranny
- Hearts of Iron IV: AAT – “Sakkijarven Polkka”
- Hearts of Iron IV: Trial of Allegiance
- Hearts of Iron IV: Trial of Allegiance Pre-order Bonus
- Hearts of Iron IV: Content Creator Pack – Soviet Union 2D
- Hearts of Iron IV: Gotterdammerung
- Hearts of Iron IV: Graveyard of Empires（新增）
- Hearts of Iron IV: Supporter Pack
- Hearts of Iron IV: Ride of the Valkyries Music
游戏大桶
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