Any additional information on your enemies and allies may significantly affect your future decisions and will help you to deal with dangerous situations. More factories will give a lot more opportunities than just a few additional units. Use active pause whenever you have to make an important decision.
Remember that the space key is your biggest ally.Proper time management is the most essential aspect of Hearts of Iron IV, if you don’t want to waste your time on active pause. Choosing a nation you should pay attention to the modifiers that affect the gameplay of each particular nation, and study how to use or deal with them in a needed way.In the case of the scenario in 1939, none of the national focuses will be completed before the start of the campaign. If you start your campaign in 1939 then you will have more time to prepare your country for the upcoming war. Remember there is a national focus for each scenario that are always the same for each country. In this Hearts of Iron IV guide you’ll learn various tips for beginners for every game mechanics.