How can I just make a small change, like giving a unit an extra movement point?
All the default XML rule files are located in your main game folder (default: C:/Program Files/Firaxis Games/Sid Meier’s Civilization 4/Assets/XML/). By copying the the file you want (in this example you would want the CIV4UnitInfos.xml file in the Units folder) to the ../My Documents/My Games/Sid Meier’s Civilization 4/CustomAssets/XML/ folder (thus mimicking the structure of the game folder), you can open the XML file, make any changes, and when you save it, all your games will now use that modified XML file instead of the default. In this case, you would want to change the line “
