Mapgen V2.2 [extra Quality] May 2026

MapGen v2.2 is a popular free modding tool designed specifically for the grand strategy game Hearts of Iron IV (HOI4). It streamlines the complex process of creating custom world maps by converting user-drawn image files into the specific script and data files required by the game engine. Core Functionality

Developed to streamline the tedious process of manual map creation, MapGen v2.2 functions by interpreting color-coded bitmaps. Modders provide "input" images—such as province maps, terrain maps, and heightmaps—and the tool generates the corresponding game data, including: mapgen v2.2

To use the tool effectively, you must provide several "input" image files (typically in MapGen v2

Automated File Generation: Converts a simple 24-bit BMP image into the complex web of files HoI4 requires, including provinces.bmp, definition.csv, and height maps. including:   To use the tool effectively