MapGen v2.2 is a popular, albeit aging, software tool specifically designed for creating custom world maps for Hearts of Iron IV (HOI4) mods. Developed by community member Jamestom999, it automates the tedious process of generating the numerous game files (provinces, terrain, heightmaps, and rivers) required for a functional custom map. Key Features and Functionality
To get the most out of MapGen v2.2, veteran users have discovered a few “hidden” techniques: mapgen v2.2
If you are using MapGen v2.0, consider your workflow. Do you need vector output? Do you need multi-biome maps? If so, upgrade. The $29 (or free if you are an open-source contributor) license fee pays for itself in hours saved manually editing terrain. MapGen v2