: Once finished, you export the .txt files and place them in your mod's common/national_focus folder. National focus modding - Hearts of Iron 4 Wiki
These tools generate the necessary .txt files (specifically the national_focus.txt and localisation files) automatically. They handle the complex syntax rules of HOI4—things like relative_position_id , cost , available_if_capitulated , and bypass logic—so you can focus on the creative aspect: alternate history.
Instead of focus_1 , focus_2 , use IDs like TAG_industry_left_branch_steel_mills . This keeps your code readable and maintainable. Descriptive IDs also make it much easier to debug when your mod grows to dozens or hundreds of focuses. hoi4 focus tree maker
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Assign a unique internal identifier (e.g., SPA_secure_the_state ). : Once finished, you export the
Built-in icon picker (using vanilla HOI4 icons) and national spirit/idea linking. Advanced users can import custom icon atlases.
By combining the speed of a visual builder with the precision of manual coding, you can create professional-grade HOI4 mods that rival official Paradox DLC. Instead of focus_1 , focus_2 , use IDs
For trees with 50+ focuses or nested mutual exclusivity, the auto-layout struggles. Nodes overlap, connections become spaghetti, and manual repositioning is tedious. Hand-coding remains cleaner for very large trees.
Which (historical or custom) are you building this tree for?
It is tempting to give your custom country massive buffs, millions of manpower, and instant factories. However, over-powered focus trees ruin the strategic challenge. If a focus grants a massive positive modifier, consider balancing it with an earlier national debuff that the player must work to remove. Create AI Paths