All you need to do is use Steam and its built-in Workshop platform, which the game fully supports. Installing mods in Crusader Kings III is really easy. Free at Steam How to install mods in Crusader Kings III Instead of just one soldier traversing the land, you'll be able to see a better representation of army compositions, as well as actual battles. Total Warfare is here to help you out a little. It hasn't changed much over the years, and that's a shame if you prefer all-out warfare. The combat is probably the weakest part of Crusader Kings III.