A building is an immovable object located on a tile. There are three main categories of buildings: resource buildings, monuments, and temples . Other buildings include bridges , roads , and the Embassy . Buildings are constructed by the player. Each type of building can only be built on specific terrain types.
Resource Buildings [ ]
Image
Name
Description
Terrain
Unlocked by
Cost (stars)
Farm
Produces two population.
Field with crop
Farming
5
Forge
Produces two population for each adjacent Mine.
Field
Smithery
5
Lumber Hut
Produces one population.
Forest
Forestry
3
Market
Produces 2 stars each turn for each adjacent Sawmill, Windmill or Forge.
Field (must be built adjacent to a Sawmill, Windmill, or Forge)
Trade
5
Mine
Produces two population.
Mountain with metal
Mining
5
Port
Produces one population, turns land units into Rafts , and forms city connections .
Water, flooded field
Sailing
7
Sawmill
Produces one population for each adjacent Lumber Hut.
Field
Mathematics
5
Windmill
Produces one population for each adjacent Farm.
Field
Construction
5
Monuments [ ]
A monument is a building awarded for completing a task. Each monument produces 3 population and is worth 400 points. Monuments can be built on field and shallow water terrain.
Image
Name
Task
Unlocked by
Altar of Peace
Pacifst: Make no attacks for five turns.
Meditation
Emperor's Tomb
Wealth: Gather 100 stars.
Trade
Eye of God
Explorer: Find all lighthouses .
Navigation
Gate of Power
Killer: Kill 10 enemy units.
Killing an enemy unit
Grand Bazaar
Trade: Connect five cities to the capital.
Connecting a city
Park of Fortune
Metropolis: Have a level 5+ city.
Upgrading a city
Tower of Wisdom
Genius: Research all technology .
Philosophy
Temples [ ]
Main article: Temples
Temples produce one population and are initially worth 100 points; their point value increases over time.
Image
Name
Terrain
Unlocked by
Cost (stars)
Temple
Field
Free Spirit
20
Forest Temple
Forest
Spiritualism
15
Mountain Temple
Mountain
Meditation
20
Water Temple
Shallow water, ocean
Aquatism
20
Ice Temple
Ice
Polarism
20
Other [ ]
Image
Name
Description
Terrain
Unlocked by
Cost (stars)
Bridge
Decrease movement cost, form city connections and allows land units to cross one tile of water.
Water
Roads
5
Embassy
Provide income to both the tribe that builds and the tribe that hosts the Embassy.
Other tribes' capitals
Diplomacy
5
Roads
Decrease movement cost and form city connections.
Field, forest
Roads
3
Special Tribes [ ]
Image
Name
Description
Terrain
Unlocked by
Cost (stars)
Aquarion
Atoll
Produces one population. Connects every city within 3 tiles over water and flooded terrain.
Water, flooded fields
Waterways
5
Aqua Farm
Produces 2 population.
Water, flooded fields
Aquaculture
5
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Sanctuary
Produces one star per turn for each adjacent wild animal. Attracts a wild animal to an empty adjacent forest each three turns.
Any land
Forestry
5
Polaris
Ice Bank
Produces three stars per turn for each 20 frozen tiles in the world.
Field, ice
Trade
20
Outpost
Produces one population and forms city connections.
Ice
Frostwork
5
Cymanti
Algae
Units and city connections can travel over it.
Water, ocean
Hydrology
5
Clathrus
Produces one star per turn for each adjacent Algae. Poisons enemy units that step on it.
Water, ocean
Trade
5
Fungi
Produces one population per turn for three turns. Poisons enemy units that step on it.
Any land with spores
Farming
5
Mycelium
Forms city connections within a three-tile radius and heals friendly units that end their turn on or adjacent to it.
Field, forest
Roads
5
Removed [ ]
Image
Name
Description
Unlocked by
Cost (stars)
Customs House
Produced 2 stars per turn for each adjacent Port. Replaced with markets.
Trade
5
Lantern
Present in beta versions of Polaris . Never released. Function varied over time.
Varied over time
5
Library
Decreased the cost of researching new technology by 2 stars per adjacent temple .
Philosophy
5
Game Mechanics
Game General
Combat ,
Easter Eggs ,
Game Modes ,
Map Generation ,
Movement ,
Ruin ,
Score ,
Star ,
Technology ,
Terrain ,
Tribes Abilities Buildings City Diplomacy Units