
With its enhanced civilisation marvels, this Civ IV game deserves to be at the top of our list. Liberalism (with Philosophy), Economics (with Banking), Gunpowderįission, Industrialism (with Assembly Line), Refrigeration (with Biology), Radioįirst to discovery receives Great General.Furthermore, the fighting in Civilization IV is lengthy yet repetitive. Music (with Mathematics), Philosophy (with Meditation)įirst to discover receives a Great Merchant. War Elephant, Ballista Elephant, Catapult, HwachaĬode of Laws (with Writing), Banking (with Guilds)Įnables Universal Suffrage & Emancipation Obsoletes Angkor Wat, University of Sankore & Spiral Minaretĭemocracy (with Printing Press), Corporation (with Economics) Genetics (with Refrigeration), Fiber Optics (with Plastics or Satellites), Robotics (with Plastics) Public Transportation, Creative ConstructionsĮnables permanent alliances, Enables State Property Paper, Nationalism (with Divine Right or Philosophy)Ĭivil Service, Philosophy (with Meditation), Constitution (with Nationalism)įlight (with Physics), Plastics (with Industrialism)

Scientific Method (with Printing Press), Biology (with Scientific Method), Steam Power (Replaceable Parts), Steel (with Iron Working) Iron Working, Metal Casting (with Pottery)Īxeman, Phalanx, Vulture, Dog Soldier, Holkan Medicine (with Optics), Ecology (with Plastic or Fission), Refrigeration (with Electricity) Galleon, East Indiaman, Privateer, Frigate, Ship of the LineĮconomics (with Education), Replacement Parts (with Printing Press) Scientific Method (with Printing Press), Physics (with Scientific Method) The Parthenon, Statue of Zeus, Shwedagon PayaĪrcher, Skirmisher, Longbowman, Crossbowman, Cho-Ko-Nu, Horse Archer, Keshik, Camel Archer, Numidian Cavalry, Bowmanįascism (with Nationalism), Industrialism (with Electricity) Items in italics mean that other technologies are also required for construction. NOTE: Information in this section is correct as of Beyond the Sword, version 3.17.
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For example, a Great Prophet can help research a religion tech, while a Great Artist can help research a cultural tech.

Each great people type can usually research a certain type of techs. In addition, Great People can be used to help with research. There is also no longer a minimum number of turns needed to discover a technology, making it easier to come back and get older technologies that you haven’t researched yet. For example, you can get to Gunpowder by researching either Guilds or Education. It’s now possible to reach certain technology by researching different techs. The tech tree in Civilization IV is very flexible, thanks to the addition of OR gates and the elimination of static eras.
