Hearts of Iron 4's next DLC is adding weird WW2 experiments sooner than expected

Hearts of Iron 4 remains a titan of the grand strategy genre. Nearly nine years after it launched, the Paradox-developed WW2 game continues to pull in tens of thousands of players daily, remaining among Steam's top games thanks to the unparalleled level of depth in its recreation of the globe-spanning conflict. With its next DLC, however, HoI 4 is getting a little experimental, delving into prototype creations that, in most cases, never actually saw the light of day. Set to round out the game's first expansion pass, Paradox announces that Prototype Vehicles will now be launching sooner than expected.

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