Coordinating those layers, especially in the midst of war, can often be difficult. Knowing the keys to success before starting the game can help immensely. RELATED: Hearts Of Iron IV: Best Total Conversion Mods Myriad decisions, both large and small, need to be planned in advance in order to avoid catastrophic failures. One bad mistake can lead to certain doom for a nation that isn't careful. Leading a country through the 20th century's greatest conflict is no easy task after all. Like most games developed by Paradox Interactive, Hearts of Iron IV may seem intimidating to a beginner.
