There are six ways to achieve victory in Civilization IV.
- Conquest: Eliminate all other civilizations.
- Cultural: Be in possession of 3 cities with legendary culture.
- Domination: Lead in world population by 30% and have 65% of the world under your control (the percentages may vary).
- Space Race: Launch your space craft and get to Alpha Centauri first.
- Diplomatic: Win a United Nations election for diplomatic victory.
- Time: Have the highest score when the time ends (it ends in 2050 AD at normal speed).