This product is a brand new and unused Hearts of Iron IV - Unit Pack: Prototype Vehicles Steam Key.

Immediately after payment, you will be sent a unique and unused CD Key which can be activated on Steam. You can collect this activation code from our Autokey page.  Simply enter your code into the Steam client (available free from steampowered.com). This will then grant you to a full digital download of the game.

How does our website work?

CJS CD Keys sell brand new CD Keys either taken directly from brand new sealed copies of the game, or sourced directly from world-leading game publishers. We source our keys in bulk directly from leading distributors and publishers, which reduces shipping costs.  This enables us to offer instant online delivery, at extremely competitive pricing.

After you receive your key, you can activate the game on the Steam client (available free from steampowered.com). After you activate the game with the Steam software, you can download the game immediately and instantly.

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Platform Supported:

Steam

Languages Supported:

English, German, French, Polish, Portuguese, Russian, Spanish

About Hearts of Iron IV - Unit Pack: Prototype Vehicles Steam Key:

Alternative history

Push the boundaries of alternate history with the Prototype Warfare Unit Pack, featuring detailed unit art for wartime vehicles that never made it past the blueprint stage. From experimental warplanes to cutting-edge theoretical tanks, this pack introduces a collection of technological marvels and battlefield oddities that bring even more depth and imagination to your campaigns.

Whether you’re reimagining the outcome of World War II or exploring ambitious what-if scenarios, these unused designs add a striking visual flair and immerse you further into the world of speculative warfare. Equip your armies with the future that might have been!

About the base game:

Victory is at your fingertips! Your ability to lead your nation is your supreme weapon, the strategy game Hearts of Iron IV lets you take command of any nation in World War II; the most engaging conflict in world history.