Arsenal of Democracy: A Hearts of Iron Game

Strategy, Multi-player, Single-player, Family Sharing, Tradable

Link to the game in Steam

Arsenal of Democracy

Taking place from 1936-64, Arsenal of Democracy lets you play as any nation during the era of WW2, complete with detailed models for economics, diplomacy, research, and intelligence. Warfare is also fully represented with all three branches of operations: land, sea, and air.