These let you tamper with the game in all sorts of ways, mostly letting you tweak your campaign and your characters. RELATED: Crusader Kings 3: Features From Crusader Kings 2 We Can't Wait To See Even the everyday player can start to mess around with their game thanks to the extensive list of cheat codes and console commands available via the console window. Crusader Kings 3 is a game that was designed to be tweaked, customized, and modded.