Hearts of Iron 3 is a grand strategy world war 2 game. The player takes control over a nation-state or empire, controlling the economy, military, and political establishment. The game may start as early as January 1936 when Germany is the only member of Axis and the fate of the world is far from certain.
Hearts of Iron 3 (HoI3) is a very complicated game. Even though the focus is on combat, there are countless non-combat actions the player may take which influence the way battles and wars unfold. The following is a list of the different broad categories in HoI3 which may help to familiarize you with the game.
Diplomacy
Edit
Production
Edit
Provincial Production
Edit
Unit Production
Edit
Technology
Edit
Infantry
Edit
Armour
Edit
Escorts
Edit
Capital
Edit
Bomber
Edit
Fighter
Edit
Industry
Edit
Secret
Edit
Theory
Edit
Land
Edit
Edit
Air
Edit
Politics
Edit
Intelligence
Edit
Combat
Edit
Combat Modifiers summarize most of the effects of the state of the battle, the unit, and the state on the battle.