Improvement

The various Improvement in Civilization VI.

Improvements are built by particular units on almost any tile within your cities that is not occupied by a city center, district, mountain, natural wonder, or world wonder. The type of improvement that can be built on a tile is determined by the qualities of the tile including the terrain and resources.

Improvements

Improvement	Yield Bonus (Research Requirement)	Tile Requirement	Prerequisite	Built By	Notes
Farm	+1 , +0.5	Grasslands, Plains	None	Builder	+1 from every 2 adj. Farm tiles (Feudalism), +1 from each adj. Farm (Replaceable Parts)
Camp	+1 , +0.5 , +1 (Mercantilism), +1 (Synthetic Materials)	Fur, Ivory, Deer, or Truffles	Animal Husbandry	Builder	Provides a copy of the Luxury Resource
Pasture	+1 , +0.5 , +1 (Exploration), +1 (Robotics)	Cattle, Sheep, or Horses	Animal Husbandry	Builder	If built on Horses, provides a copy of that Strategic Resource
Mine	+1 , +1 (Apprenticeship), +1 (Industrialization)	Hill terrain or mineable resource	Mining	Builder	If built on appropriate Strategic or Luxury resource, provides a copy of that resource
Quarry	+1 , +1 (Banking), +1 (Rocketry)	Stone, Marble, or Gypsum	Mining	Builder	If built on Gypsum or Marble, provides a copy of that Luxury Resource
Fort	Occupying unit receives +4 Defense Strength and 2 turns of fortification	Flat or Hill terrain	Siege Tactics	Military Engineer	-
Plantation	+1 , +0.5 , +1 Food (Scientific Theory)	Specific resources	Irrigation	Builder	If built on appropriate Luxury Resource, provides a copy of that resource
Lumber Mill	+1 , +1 (Steel)	Woods	Machinery	Builder	+1 if adjacent to a River
Fishing Boats	+1 , +0.5 , +1 (Cartography), +1 (Plastics)	Coast or Ocean resource	Sailing	Builder	If built on Pearls or Whales, provides a copy of that resource
Roads	Bonus to movement speed	Passable terrain	-	Military Engineer, Trader	Road bonuses vary by era (Ancient Roads, Medieval Roads, Industrial Roads, Modern Roads)
Railroads	-	-	-	-	-
Airstrip	Supports up to 3 Air Units	Flat terrain	Flight	Military Engineer	-
Resort	Provides double the tile's Appeal in	Coastal terrain with appeal of Breathtaking or above	Radio	Builder	-
Oil Well	+2	Oil Resource on land	Combustion	Builder	Provides a copy of the Oil resource
Offshore Platform	+2	Oil resource on water	Plastics	Builder	Provides a copy of the Oil resource
Missile Silo	Weapon Capacity: 1	Flat terrain	Rocketry	Military Engineer	Allows placement and launch of nuclear weapons
Colossal Head	+2 , +1 (Humanism)	Flat or Hill terrain other than Snow	Unique Suzerain bonus of La Venta	Builder	+1 for every 2 adj. Woods, +2 for every 2 adj. Rainforest

Unique Tile Improvements

Improvement	Yield Bonus (Research Requirement)	Tile Requirement	Prerequisite	Built By	Country	Notes
Château	-	-	-	-	France	-
Great Wall	-	-	-	-	China	-
Kurgan	-	-	-	-	Scythia	-
Mission	-	-	-	-	Spain	-
Roman Fort	-	-	-	-	Rome	-
Sphinx	-	-	-	-	Egypt	-
Stepwell	-	-	-	-	India	-
Ziggurat	-	-	-	-	Sumeria	-

See Also

• Terrain