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Technology Tree

The current technological progress is shown on the lower left corner of the screen.

The Library technologies, also known collectively as the "tech tree", are the possible sequences of upgrades a player can take by means of research, and are the most important technologies for a game's progress. Players only have a few options for technologies to research at the beginning, and each technology that a player researches will open up further research options.

A player who is engaged in research activities is said to be "teching up," "going up the tech tree," or "moving up the tech tree." Analysis of a tech tree can lead players to memorize and use specific build orders.

Types of TechnologyEdit

In Rise of Nations, the Library's technology tree is divided into four different disciplines: Military, Civic, Commerce and Science. Each discipline also has seven different levels of research within itself, bringing the total number of technologies to 28. In addition, there are eight different ages in Rise of Nations. In order to advance to the next age, players must not only meet the required amount of resources needed, but also the required amount of technologies researched.

This distribution of technology across four different facets allows for more balanced gameplay. However, players may choose to upgrade all levels of a particular discipline, or only a few; depending on the strategy used. In Rise of Nations, it is best to not focus on one or two disciplines, but create a balance with a trend towards one of the four disciplines. Keep in mind that the further Science is upgraded, the cheaper and quicker other technologies will be to research.

Individual TechnologiesEdit

Upon researching specific levels within the four main disciplines, players are granted access to new units, buildings and individual upgrades. For example, after reaching the Classical Age, players can research a technology at the barracks which upgrades their Bowmen to Archers. Players must not only advance in age, but research one of the 28 levels within the four disciplines before individual upgrades even become available. Also, specific buildings must be build before certain upgrades can be researched.

Technology LevelsEdit

Civics CivicEdit

Focuses on expanding national borders and city influence.

Name Cost

Civ1
City State

Food: 120
Civ2
Empire
Food: 160
Civ3
Feudalism
Knowledge: 160
Food: 160
Civ4
Divine Right
Knowledge: 300
Food: 300
Nd
Constitution
Knowledge: 500
Food: 500
Kapowwow
Great Power
Knowledge: 1,000
Food: 800
Intlaw
International Law
Knowledge: 1,500
Food: 1,500

Military MilitaryEdit

Focuses on the production and upgrading of military units.

Name Cost
Gabbagabnbahey
The Art of War

Food: 100

Mercs
Mercenaries

Food: 100
Metal: 100

Standingarmy
Standing Army

Knowledge: 200
Metal: 160

Thinredline
Conscription

Knowledge: 360
Metal: 250

Cow.pn
Levee en Masse
Knowledge: 650
Metal: 400
Natinarms
Nation-in-Arms
Knowledge: 1,300
Metal: 500
Selserv
Selective Service
Knowledge: 1,800
Metal: 1,200

Commerce CommerceEdit

Focuses on raising commerce limit and resource gathering rates.

Name Cost

Com1
Barter

Timber: 60
Food: 60
Com2
Coinage
Knowledge: 140
Timber: 60
Com3
Trade
Knowledge: 260
Timber: 100
Com4
Mercantilism
Knowledge: 500
Timber: 150
Fortknox
Finance
Knowledge: 900
Timber: 250
Infilt
Assembly Line
Knowledge: 260
Timber: 100
Globalisation
Globalization
Knowledge: 260
Timber: 100

Science ScienceEdit

Focuses on reducing the costs and duration of research for both technologies and upgrades.

Name Cost

Feudals
Written Word

Timber: 120
Wealth: 50

Math
Mathematics
Wealth: 120
Knowledge: 80
Chem
Chemistry
Wealth: 200
Knowledge: 160
S4
Laws of Nature
Wealth: 300
Knowledge: 300
S5
Electricity
Wealth: 500
Knowledge: 500
S6
Electronics
Wealth: 900
Knowledge: 900
Lin
Computerization
Wealth: 1,500
Knowledge: 1,500

Future TechnologyEdit

If all previous research has been completed, future technology can be researched.

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