Before touching a tool, grab a piece of paper. Define the "branches" of your nation:
The Ultimate Guide to the HOI4 Focus Tree Maker: Design Your Own Custom National Focus Trees
Remember: Every professional HOI4 modder started with a single focus and a maker tool. Why not you?
Paradox released an asset editor alongside the game, but it’s primarily for 3D models and portraits, not focus trees. However, a team of modders reverse-engineered it to add focus tree support via a plugin called Irony Mod Manager with Tree Edit . hoi4 focus tree maker
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Click The tool zips your file. Extract it to Documents/Paradox Interactive/Hearts of Iron IV/mod/ . Enable it in the Paradox launcher. Load the game. If you see your tree next to Switzerland’s default tree, you have succeeded.
Extremely powerful, no limit on complexity, industry standard for total conversion mods. Cons: Steep learning curve; not truly visual. Before touching a tool, grab a piece of paper
If you already use Visual Studio Code, this extension (available on the VS Marketplace) is arguably the most powerful option available today. It offers a full visual editor for creating and modifying national focus trees with . You can add focuses by pressing the A key, edit properties in a convenient right panel, and instantly see focus relationships through connecting arrows.
Syntax errors (missing braces, misplaced commas) can crash the game or hide your tree entirely. Use the VS Code preview feature regularly—it will highlight warnings for missing icons, bad prerequisites, and invalid effect syntax before you launch HOI4.
, Paradox Interactive’s grand strategy wargame set during World War II, is defined by one core mechanic above all others: the Focus Tree . These branching, national-specific trees dictate everything from political coups and industrial build-ups to alternate history paths like restoring the Kaiser or reforming Byzantium. Paradox released an asset editor alongside the game,
Every tree starts with a "Root Focus" (e.g., "The Five Year Plan" or "The National Rebirth"). In the maker, you’ll create this first. It has no prerequisites and sits at the top. 3. Creating Dependencies and Mutually Exclusive Paths
Narrative integration
: Use the HOI4 launcher to create a basic mod directory.
focus = id = SAU_army_effort icon = GFX_goal_generic_army text = "Army Expansion" x = 0 y = 0 cost = 70 prerequisite = completion_reward = add_army_experience = 25