The difficulty level is a game setting in Sid Meier's Civilization that allows players to compete against AI opponents matched to their skills and desire for challenge. In order from lowest to highest, the difficulty levels are as follows: * Chieftain ("Chieftan" on the Hall of Fame screen) * Warlord * Prince * King * Emperor All of the information presented here comes from an info page on CivFanatics and the game's data files.