| Overview | Leaders | Great wonders | Natural wonders | City-states | Technologies |
Note: Scenario-specific technologies are not included.
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Added in the Beyond the Sword expansion pack.
- ↑ Officially "Amphibious War" in Civilization III.
- ↑ 3.00 3.01 3.02 3.03 3.04 3.05 3.06 3.07 3.08 3.09 3.10 3.11 3.12 3.13 3.14 3.15 Appears as a civic.
- ↑ 4.0 4.1 Added in the Conquests expansion pack.
- ↑ Officially named "The Internet".
- ↑ Officially plural, Ironclads, in Civilization III.
- ↑ Officially plural, Lasers, in Civilization V and VI.
- ↑ 8.0 8.1 Removed in Gods and Kings and Brave New World.
- ↑ Officially plural, Superconductors, in Civilization IV.
- ↑ Officially "The Wheel" in most Civilization games.