Hearts of Iron 4 has just celebrated its ninth birthday, and the WW2 grand strategy game remains the most popular of its type on Steam, reaching highs of more than 50,000 active players on a near-daily basis. Yet developer Paradox clearly still has ideas for how to keep building on its core; 2024s Gtterdmmerung expansion delivered big changes to central players in the conflict such as Germany, Austria, and Hungary. Now, in a new developer blog, the studio explains that it plans to overhaul the way HoI 4 factions work. Continue reading WW2 strategy game Hearts of Iron 4 is giving factions a fundamental reworkMORE FROM PCGAMESN: The best Hearts of Iron 4 mods, Hearts of Iron 4 DLC guide, The best grand strategy games on PC