

Arsenal of Democracy: A Hearts of Iron Game
BL-Logic · 2010 · Strategy, Grand Strategy, World War II, Historical
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About Arsenal of Democracy: A Hearts of Iron Game
Lead any nation from 1936-1964 through World War II with intricate systems governing economics, diplomacy, research, intelligence, and three-dimensional warfare across land, sea, and air. This fan-made successor to Hearts of Iron II cranks every simulation system to maximum depth, offering unparalleled control over production logistics, espionage, national identity, and custom campaign creation.
Developed by BL-Logic, a development studio made up of fans of the series and active members of the modding community, Arsenal of Democracy is the ultimate World War II simulation. It is described by Project Leader Lennart Berg as "Hearts of Iron II on steroids!"
- Rewrite history as the head of any nation during World War II in a variety of single-player and multi-player scenarios
- Use advanced combat mechanics based on historical research and the work of military theorists to destroy your foes on land, sea, and air
- Master the most detailed and flexible economic and production systems of the series
- Keep your war efforts operating smoothly with realistic logistics and trading subsystem
- Engage in espionage, intelligence, diplomacy, and global trade to give your nation a decisive edge
- Determine your country’s national identity, social policy, and ethnic culture
- Create your own campaigns, units, countries, minister traits, and national ideas with extensive modding capabilities
- Experience classic Hearts of Iron gameplay, improved with a fine-tuned technology tree, refined balance, advanced statistics, and polished graphics
- Removed Province Limit: build your own maps without limitations
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
It's a good game. You play for 3000 hours and still learn new things.
Still an amazing game in 2026, and no ♥♥♥♥♥♥♥♥ dlcs like hoi4 has, you have to buy for the whole game. This ones truely great. Played over 400h.
peak i need to put more hours in
I think its alright better than hoi 3 and satisyfing
How do i increase game size to fit screen?
Ass, they should've ♥♥♥♥♥♥♥ paid me to play it. I HATE IT
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