To help you specifically with this .rar file, could you tell me: Did you or a full game installation ?
: Use over 50 policies to personalize gameplay, such as doctrines, occupation, and conscription. Hex-of-Steel.rar
If you are looking into a .rar file for modding purposes, the game is designed to be "infinitely flexible". To help you specifically with this
: Many players share total conversions (like Attack on Titan or Modern Warfare ) via the Steam Workshop. Helpful Resources for Beginners such as doctrines
: When you create a new mod in the in-game menu, it automatically generates a structured folder including subdirectories for graphics, sounds, maps, and a manifest.json file.