List of city improvements in Civ2

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The following is a list of city improvements in Civilization II and its expansions.

City improvements

Building	Cost Shield	Upkeep	Prerequisite	Effects
Airport	160	3	Radio	City produces veteran air units. Damaged air units are repaired in one turn. Allows airlifting.
Aqueduct	80	2	Construction	Required for a city to grow beyond size 8.
Bank	120	3	Banking	Increase tax and luxury by a further 50%.
Barracks	40	1	None	City produces veteran ground units. Damaged ground units staying one turn in city are fully repaired.
Capitalization	n/a	n/a	Corporation	Not a city improvement, but shield production is converted directly into cash.
Cathedral	120	3	Monotheism	Makes 3 unhappy citizens content.
City Walls	80	0	Masonry	Defence of units in city are tripled.
Coastal Fortress	80	1	Metallurgy	Doubles defence in city against attacks by ships.
Colosseum	100	4	Construction	3 unhappy citizens are made content.
Courthouse	80	1	Code of laws	Decrease corruption by 50%. Makes a city more resistant to bribery.
Factory	200	4	Industrialization	Increase production by 50%.
Granary	60	1	Pottery	Halves the amount of food necessary to increase city size. Protects against famine.
Harbor	60	1	Seafaring	Ocean squares produce one extra food.
Hydro Plant	240	4	Electronics	Increases factory output by 50%. Reduces factory pollution by 1/2. Are safer than nuclear plants.
Library	80	1	Writing	Increase science by 50%
Manufacturing Plant	320	6	Robotics	Increase production by a further 50%.
Marketplace	80	1	Currency	Increase tax and luxury by 50%
Mass Transit	160	4	Mass Production	Eliminates pollution caused by population of the city.
Nuclear Plant	160	2	Nuclear Power	Increases factory output by 50%. Reduces factory pollution by 1/2. Meltdown risk unless fusion power has been discovered.
Offshore Platform	160	3	Miniaturization	Ocean squares produce one extra shield.
Palace	100	0	Masonry	The city with this improvement becomes the capital.
Police Station	60	2	Communism	Reduces the number of unhappy citizens created by units away from the city by 1 per unit.
Port Facility	80	3	Amphibious Warfare	City produces Veteran naval units. Naval units can be completely repaired in a single turn.
Power Plant	160	4	Refining	Increases factory output by 50%.
Recycling Center	200	2	Recycling	Decreases pollution from production by 2/3.
Research Lab	160	3	Computers	Increases science by a further 50%.
SAM Missile Battery	100	2	Rocketry	Doubles defence in city against air units other than nukes.
SDI Defense	200	4	Laser	Protects the city and the surrounding squares from nuclear attack.
SS Component	160	0	Plastics	For every fuel component there is a thrust component which adds 25% to spaceship thrust.
SS Module	320	0	Superconductor	Can be population, life support or solar panel. Must be the same numbers of each.
SS Structural	80	0	Space Flight	Forms the structure when building a spaceship.
Sewer System	120	2	Sanitation	Required for a city to grow beyond size 12.
Solar Plant	320	4	Environmentalism	Increases factory output by 50%. Eliminates pollution caused by factory production. Slows down global warming.
Stock Exchange	160	4	Economics	Increase tax and luxury output by a further 50%.
Superhighways	200	5	Automobile	All squares with roads or railroads produce 50% extra trade. More revenue from trade routes.
Supermarket	80	3	Refrigeration	Allows a city to use the extra food in farmland squares.
Temple	40	1	Ceremonial burial	One unhappy citizen becomes content
University	160	3	University	Increase science by a further 50%.