| Overview | Leaders | Great wonders | Natural wonders | City-states | Technologies |
- ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 Released as part of the DLC content.
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 Appears as a National Wonder (or Small Wonder).
- ↑ 3.0 3.1 3.2 3.3 3.4 Appears as a project.
- ↑ 4.0 4.1 4.2 4.3 4.4 Added in the Beyond the Sword expansion pack.
- ↑ 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 Appears as a building (or city improvement).
- ↑ 6.0 6.1 Appears as a unique ability.
- ↑ 7.0 7.1 7.2 Added in the Warlords expansion pack.
- ↑ 8.0 8.1 Appears as a tile improvement.
- ↑ 9.0 9.1 9.2 9.3 Appears as a city-state.
- ↑ 10.0 10.1 10.2 Appears as part of the scenario only.
- ↑ 11.0 11.1 Appears as a competition.
- ↑ Added in the Play the World expansion pack.
- ↑ Has the same ability as Civilization III's The Great Library.
- ↑ Appears as a technology (or advance).
- ↑ Newton is a Great Scientist who can instantly build a normal University; however, the free technologies are obtained from Oxford University.
- ↑ 16.0 16.1 16.2 16.3 Added in the Conquests expansion pack.
- ↑ 17.0 17.1 17.2 17.3 Cut from the game before its release.
- ↑ Da Vinci is a Great Engineer who can instantly build a normal Workshop.
- ↑ Appears as a religious shrine.
- ↑ Rock Bands are special units unlocked with Cold War in Gathering Storm which can produce Tourism by selling albums.
- ↑ The Sistine Chapel Ceiling is a Great Work of Art able to be created by Michelangelo, a Great Artist.
- ↑ Sun Tzu is a Great General and The Art of War is a Great Work.
- ↑ The World Congress is introduced in Gathering Storm, taking the place of the United Nations; it automatically convenes without any player having to build anything. However, it can be seen in the Diplomatic Victory end movie.
- ↑ Universal Suffrage is a Tenet in this game
- ↑ Appears as a civic.