In Hearts of Iron 4, understanding combat width is key to effective campaigns. It can lead to quick, decisive victories or painful losses. Many players struggle with designing the best divisions because the game’s combat width mechanics can initially seem…

Of the three aspects of warfare in Hearts of Iron 4, the navy is easily the least understood and least used. The production cost associated with creating ships is significant, making a strong navy a considerable investment. This does come…

Hearts of Iron 4 is usually played in its default state: a World War II simulator with endless possibilities for alternative history outcomes. Its core gameplay offers nearly infinite variety, but what if we could take it even further? Introducing:…

Calling Hearts of Iron 4 a huge, complicated game might be an understatement. As of this writing, it has been receiving updates for over 8 years, including balance changes, new features, and overhauls to existing ones. Even if you are…

Before every Hearts of Iron campaign, even before choosing a country, users will be confronted with their first impactful decision: when to begin the game. Two options are available—January 1, 1936, or August 14, 1939—but the differences extend beyond the…

Just as advancements in technology shaped World War 2, researching new technologies plays a pivotal role in Hearts of Iron 4 campaigns. The research system will allow you to improve the equipment you use and unlock new elements to be…

With the release of the Arms Against Tyranny Expansion, Paradox removed the long-standing design companies and replaced them with Military Industrial Organizations. Also known as MIOs, these companies will allow you to research technology faster, make stronger equipment, and increase…

Introduced with the Man the Guns DLC, the ship designer completely changed the game when it comes to managing your navy in Hearts of Iron IV. Along with the designer, patch 1.6 radically altered naval combat and added naval terrain…

The No Steps Back DLC completely overhauled the tank meta in Hearts of Iron IV with the introduction of the tank designer. Tanks of each type can now be designed with up to 9 modules, allowing a huge level of…

Dominating the air is vital to winning the war on land in Hearts of Iron IV. Air superiority and close air support provide numerous direct benefits to troops on the ground, while strategic bombers can cripple enemy industry. By Blood…