Some sample questions from this category:
* One of the main features of "Civilization" is that every civ has its own leader (or leaders). Which of the following leaders appeared in every game from I to V?
* It was in the very beginning of the nineties, but do you remember which of the following civs wasn't in the first game?
* Karakorum - the capital of the Mongols! But was it always their capital? What was the capital of the Mongols in "Civilization I"?
* City lists in the game were never perfect. Some of the cities aren't even real! Of the following four, which city really exists?
* Which leaders led two different civs in two different games in the series?