List of technologies in Civ4

Civilization IV comes with 86 technologies. The Beyond the Sword expansion pack adds six new technologies and changes four of the old ones. The Warlords expansion pack neither adds nor changes any technologies.
 
==Technologies==
Technology 	Cost	Enables 	Obsoletes		
===Ancient=== 	
===Ancient===	
===Ancient=== 	
===Ancient===	
===Ancient===	
===Ancient===
 	60 	Units:
Improvements: 	 		
 	60 	Improvements: 	 		
 	100 	Improvements:
Other effects:Reveals 	 		
 	40 	Units: 	 		
 	40 	Units:
Improvements: 	 		
 	50 	Buildings:
Wonders: 	 		
 	60 	Units: (with Machinery) (with Horseback Riding) (with Feudalism) 	 		
 	80 	Buildings:
Improvements: 	 		
 	120 	Buildings:
Other: 	 		
 	100 	Units:
Buildings:
Other:Coastal trading 	 		
 	80 	Buildings:
Wonders:
Improvements: 	 		
 	50 	Improvements: 	 		
 	60 	Buildings:
Wonders: 	 		
 	120 	Units:
Civics:
Other:Chopping down forests 	 		
 	100 	Wonders:
Other:First to discover founds 	 		
 	120 	Civics:
Other:First to discover founds 	 		
 	80 	Buildings:
Other:First to discover founds 	 		
===Classical===	
===Classical===	
===Classical=== 	
===Classical===	
===Classical===	
===Classical===
 	300 	Improvements:
Civics: 	 		
(changed in BtS)	300 	Other:Technology trading 	 		
 	250 	Buildings:
Wonders:
Improvements:
Other effects:50% more hammers by chopping down forest 	 		
 	350 	Units:
Buildings:
Other:Bridge building 	 		
 	350 	Buildings:
Wonders:
Civics:
Other:First to discover founds 	 		
 	450 	Units:
Buildings:
Wonders:
Improvements: 	 		
 	400 	Units:
Buildings: 	 		
 	400 	Buildings:
Other effects:+1 trade routesGold trading 	 		
 	250 	Units: (with Archery) (with Guilds) (with Military Tradition and Rifling) (with Gunpowder and Military Tradition) 	 		
 	300 	Buildings:
Wonders:
Other:Culture slider 	 		
 	350 	Improvements:
Other:Centers the world map 	 		
 	200 	Units:
Other effects:Reveals Can clear jungles 	 		
 	200 	Wonders: 	 		
(BtS) 	300 	Wonders: 	 		
===Medieval=== 	
===Medieval===	
===Medieval=== 	
===Medieval===	
===Medieval===	
===Medieval===
 	700 	Buildings:
Civics: 	 		
 	1000	Units: (Warlords)
Buildings:
Wonders:
Other:+1 road movement 	 		
 	1000	Units: (with Horseback Riding) 	 		
 	700 	Units: (with Archery)
Civics: 	 		
 	700 	Units: (with Archery) (with Civil Service)
Improvements: 	 		
 	800 	Units: (with Machinery)
Civics:
Other effects:Farms spread irrigation 	 		
 	800 	Wonders:
Civics:
Other:First to discover founds 	 		
 	600 	Units:
Improvements:
Other effects:Can see +1 tiles across water 	 		
 	500 	Wonders:Hagia Sophia, Apostolic Palace
Civics:Theocracy
Other:First to discover founds Christianity 	 		
 	600 	
Other:Map trading 	 		
 	600 	Buildings:
Wonders:
Other:Building cultureFirst to discover receives 	 		
 	1200	Wonders:
Other:First to discover founds 	 		
===Renaissance===	
===Renaissance===	
===Renaissance=== 	
===Renaissance===	
===Renaissance===	
===Renaissance===
 	1400	Buildings:Customs House
Civics:
Other:First to discover receives 	 		
 	2000	Buildings:
Civics: 	 		
 	2000	Units:
Buildings:
Other:Trade through ocean tiles 	 		
 	2800	Buildings: 
Wonders:
Civics: 	 		
 	1800	Buildings:
Wonders: 	 		
 	1800	Units:
Other effects:+1 from Workshops 	 		
 	1600	Wonders:
Other:
+1 trade routeCorporations 	 		
 	1800	Improvements:
Other:+1 from windmills and watermills 	 		
 	1200	Units: 	 		
 	2400	Units: (with Assembly Line) (with Industrialism) (with Robotics) (with Industrialism) (with Horseback Riding and Gunpowder)	 		
 	1600	Other effects:+1 from Villages and Towns 	 		
 	1800	Wonders:
Civics: 	 		
(BtS) 	2000	Units: (with Astronomy)
Buildings: 	 		
 	2000	Units: (with Gunpowder and Horseback Riding) (with Rifling and Horseback Riding)
Wonders:
Other:Defensive pacts 	 		
 	1400	Civics:
Other:First to discover gets 1 free tech 	 		
===Industrial===	
===Industrial===	
===Industrial=== 	
===Industrial===	
===Industrial===	
===Industrial===
 	4500	Units:
Improvements:s 	 		
 	4500	Buildings:
Wonders:
Other effects:+1 from windmills+2 from watermills 	 		
 	5000	Units: (with Rifling)
Buildings:
Wonders: 	 		
 	2800	Units: (with Steam Power)
Buildings:
Wonders: 	 		
 	4500	Buildings:
Wonders:
Civics: 	 		
 	6500	Units: (with Rifling) (with Rifling)
Buildings:
Other effects:Reveals 	 		
 	2800	Units:
Wonders:
Civics:
Other:Permanent alliances 	 		
 	2400	Improvements:
Other:Reveals 	 		
 	3200	Units: (with Steel)
Improvements:
Other:Reveals +50% faster improvement building 	 		
 	5500	Units:
Buildings:
Projects: 	 		
 	3600	Units: (with Radio)
Improvements: 	 		
 	3600	Other:Building farms without irrigation+1 from farms 	 		
 	4000	Units: (BtS)
Other:Reveals First to discover receives 	 		
 	2400	Units:
Civics:
Other:Permanent alliancesFirst to discover receives 	 		
 	4000	Units:Artillery (with Laser) 	 		
===Modern=== 	
===Modern===	
===Modern=== 	
===Modern===	
===Modern===	
===Modern===
 	6000	Units: (with Combustion) (with Flight)
Wonders: 	 		
 	5000	Units: (with Radio) (with Rocketry and Advanced Flight) (with Composites) (with Stealth)
Buildings: 	 		
 	3600	Buildings:
Wonders: 	 		
 	7000	Buildings:
Wonders:
Improvements: 	 		
(changed in BtS)	6500	Units: (with Composites)
Buildings: (with Superconductors)
Projects: 	 		
 	5500	Buildings:
Spaceship parts:
Civics:
Other:Cleaning 	 		
 	4000	Buildings:
Other:+1 movement for naval units 	 		
 	5000	Units: (with Flight and Advanced Flight) (with Radio) (with Fission) (with Fission) (with Radio and Combustion)
Projects:
Spaceship parts:	 		
(changed in BtS)	8000	Units: (with Stealth) (with Stealth)
Buildings: (with Satellites)
Spaceship parts: 	 		
 	6000	Spaceship parts:
Buildings: (with Robotics)
Other effects:Reveals entire world map 	 		
(BtS) 	7000	Units: (with Artillery)
Buildings: 	 		
(changed in BtS)	7500	Projects:
Spaceship parts: 	 		
(BtS) 	5000	Units: (with Rocketry and Flight) 	 		
(BtS) 	6500	Buildings: (with Computers)
Spaceship parts: 	 		
 	7500	Units: (with Computers)
 (with Flight)
Spaceship parts: 	 		
=== Future=== 	
=== Future===	
=== Future=== 	
=== Future===		
 	8000	Spaceship parts:
Other effects:First to discover receives 	 		
 	7000	Spaceship parts:
Other effects:+1 in all cities 	 		
(BtS) 	8000	Units: (with Robotics) (with Robotics) 	 		
 	8000	Other:+1 in all cities+1 in all cities 	 		
ru:Технологии Civilization IV
Category:Civilization IV
 
Category:Technology lists