Choson/Tree

The Choson Technological Tree determines whether or not the units and technologies are available for the civilization.

Town Center

 * Villager

Barracks

 * Clubman
 * Axeman
 * Slinger
 * Short Swordsman
 * Broad Swordsman
 * Long Swordsman
 * Legion

Academy

 * Hoplite

Archery Range

 * Bowman
 * Improved Bowman
 * Horse Archer

Stable

 * Scout
 * Cavalry
 * Heavy Cavalry
 * Cataphract

Siege Workshop

 * Stone Thrower
 * Ballista
 * Helepolis

Temple

 * Priest
 * Astrology
 * Mysticism
 * Polytheism
 * Afterlife
 * Fanaticism
 * Jihad
 * Monotheism
 * Martyrdom
 * Medicine

Granary

 * Small Wall
 * Medium Wall
 * Fortification
 * Watch Tower
 * Sentry Tower
 * Guard Tower
 * Ballista Tower

Storage Pit

 * Leather Armor
 * Tool Working
 * Bronze Shield
 * Metalworking
 * Scale Armor
 * Metallurgy

Market

 * Domestication
 * Gold Mining
 * Stone Mining
 * Woodworking
 * Artisanship
 * Plow
 * Wheel
 * Coinage
 * Craftsmanship
 * Irrigation
 * Siegecraft

Government Center

 * Architecture
 * Writing
 * Logistics
 * Ballistics