“Civilization IV has seven religions: Buddhism, Christianity, Confucianism, Hinduism, Islam...Religion (Civ4)
“Every civilization in Civilization IV has its own unique unit. A unique unit, or UU for short...Unique unit (Civ4)
“"Civilopedia" is the name given to the encyclopedic part of the in-game help in Civilization...Civilopedia
“Terrain is "the physical features of a tract of land." In Civilization IV, each tile has one...Terrain (Civ4)
“Each civilization has one unique unit that only that civilization can build. This unit replaces...Unique unit (Civ3)
“Since Warlords, every civilization in Civilization IV has had their own unique building. A...Unique building (Civ4)
This category has the following 19 subcategories, out of 19 total.