Scan current mod files for existing GFX, tags, and IDs.
If you are starting a new project or updating an old one, Focus Tree Manager (Steam Workshop) is currently the most reliable and up-to-date option for visual editing. It handles the script changes introduced by recent DLCs automatically.
For years, the HOI4 modding scene was divided between those who mastered the archaic syntax of text files ( .txt modding) and those who struggled with the in-game tool. The tool was notorious for crashing, deleting connections, and lacking essential features like copy-pasting.
Are you planning to make that change based on world tension?
Add custom flavor events and decisions to bring the tree to life. Summary of 2026 Updates
This is where the magic happens. The UPD version allows you to pick from a dropdown of effects: