Name |
Cost |
Prerequisite |
Effect |
Expires |
Adam Smith's Trading Co. |
400 |
Economics |
Pays for all city improvements
that cost 1 GP |
Does not expire |
Apollo Program |
600 |
Space Flight |
Allows ALL nations to build
Space Ships. Reveals entire
map. |
Does not expire |
Colossus |
200 |
Bronze Working |
In the city where it is build
every square that produces trade
produces 1 additionally trade. |
Flight |
Copernicus' Observatory |
300 |
Astronomy |
increases science output by
50% in the city where build. |
Does not expire |
Cure for Cancer |
600 |
Genetic Engineering |
1 content citizen in every
friendly
city is made happy |
Does not expire |
Darwin's Voyage |
400 |
Railroad |
Gives 2 advances when build |
N/A |
Eiffel Tower |
300 |
Steam Engine |
Owner gets +25% in attitude
towards
every nation, attitude continues to improve
over time. Other civilizations more quickly
forget past transgression |
Does not expire |
Great Library |
300 |
Literacy |
Gets advances already
discovered
by 2 other civilizations |
electricity |
Great Wall |
300 |
Masonry |
Acts as City Wall in all
cities, doubles attack against barbarians, and
enemy civilizations
are forced to offer a cease-fire. |
Metallurgy |
Hanging Gardens |
200 |
Pottery |
Makes 3 content citizen happy
in city where build
and 1 content citizen happy in other friendly
cities |
Railroad |
Hoover Dam |
600 |
Electronics |
Acts as a Hydroplant in
friendly cities |
Does not
expire |
Isaac
Newton's
College |
400 |
Theory of Gravity |
Doubles science output in the
city where built |
Does not
expire |
J.S.
Bach's Cathedral |
400 |
Theology |
Decreases the number of
unhappy
cities on continent by 2 |
Does not
expire |
King Richard's Crusade |
300 |
Engineering |
Every square in the city where
build
produces 1 extra shield |
Industrialization |
Leonardo's Workshop |
400 |
Invention |
Replaces obsolete units |
Automobile |
Lighthouse |
200 |
Map Making |
Triremes are not lost at sea
and other ships
gains 1 MP. All new ships are veterans. |
Magnetism |
Magellan's
Expedition |
400 |
Navigation |
+2 MP to all friendly sea
units |
Does not
expire |
Manhattan Project |
600 |
Nuclear Fission |
Allows ALL nations to build
Nuclear weapons |
Does not
expire |
Marco Polo's Embassy |
200 |
Trade |
Gives an embassy with other
nations |
Communism |
Michelangelo
Chapel |
400 |
Monotheism |
Counts as a cathedral in all
your cities |
Does not
expire |
Oracle |
300 |
Mysticism |
Doubles the effect of temples |
Theology |
Pyramids |
200 |
Masonry |
Counts as a granary in every
city |
Does not
expire |
SETI Program |
600 |
Computers |
Counts as a research lab in
every city |
Does not
expire |
Shakespeare's Theatre |
300 |
Medicine |
All unhappy citizens in city
is made content |
Does not
expire |
Statue of Liberty |
400 |
Democracy |
Eliminates the period of
anarchy between governments
and all governments are now available |
Does not
expire |
Sun Tzu's War Academy |
300 |
Feudalism |
All units produced are
veterans and any existing unit
that wins in combat is automatically promoted |
Mobile Warfare |
United Nations |
600 |
Communism |
Embassy with every nation and
all nations must offer
cease-fire or peace. Under Democracy you can
declare war 50% of the time
|
Does not
expire |
Women's Suffrage |
600 |
Industrialization |
Acts a a police station in
every city |
Does not expire |