Building Update

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Historical Event
Building Update
Start Date
End Date

Buildings received a major overhaul to use the same designer that the Spacecraft Update implemented for spacecraft. However, a lot of other things also changed with how buildings and cities worked.

All old-style cities were removed and replaced with a new-style capitol on 2019-04-18.[1]

Note that this is not the same as the World Update that happened in 2013.


New Building Designs

The new building designs define the number of manufacturing workshops, commodity storage capacity, capacitor storage capacity, number of homes, number of offices, and so on.

A single building design can be used by all building types that the design fulfills the requirements for. For example a generic industrial building design can be used for for all factories if so desired.

New Buildings

Buildings can now be placed anywhere on a world, no road or town square is required.

Each building now have individual commodity storage, they store what they produce and other building fetch from them if they need something. This means that there is no magical commodity stockpile, all commodities exist in buildings somewhere in the city.

Tools being used are now stored in the individual buildings.

Manufacturing Overhaul

Manufacturing of new-style buildings now has a pool of workshops depending on the building blueprint. These workshops can be allocated to different manufacturing processes as desired. Number of workshops define how many workers will work on the given manufacturing process. The number of workers working a manufacturing process will multiply the input and output of the manufacturing process, but the process duration will remain the same.

New Cities

A city is not required under the new system, buildings can be left independent and function just fine. Buildings will however benefit from being part of a city, such as easier management, city reports, increased citizen migration, tax income and capital declaring.

A capitol building will form a city with all buildings in its jurisdiction around it. The jurisdiction can be expanded with police stations. Buildings within a jurisdiction belong to the empire that made it.

World Ownership

A world can be claimed using a flag. When claimed all buildings and cities on the world will change ownership to that of the claimer.

Another empire can takeover a world by claiming it with a flag of their own. To prevent this a military headquarters is required.

Military Bases

A military headquarters can only be built on a claimed world, and there can only be one. While the world has a military headquarters it cannot be claimed by another empire.

A military headquarters is required to establish a base on the world, allowing construction of other military buildings. A base function similar to a city as they are given a name when the military headquarters is placed and start sending city reports, they are however always worldwide and only consist of military buildings. While there are other military buildings on the world, the military headquarters cannot be destroyed. And while a world has a base, all civilian buildings cannot be destroyed.

Commodities Fetching, Sharing and Trading

Cities no longer just send commodities back and forth between each other for no reason. Instead individual buildings now have to fetch the commodities they need or want from other buildings they are connected to.

Factories and other manufacturing will fetch commodities from other buildings when run. Warehouses and storage tanks can store anything, but they will only fetch the specifically selected commodity type. Stores such as; retail stores, groceries and cantinas will fetch a small supply of the commodities they will sell. Some special buildings will fetch and store some essential commodities, for example; airport terminals will fetch air, hydrogen and gasoline, capitol will fetch and store some food, and military headquarters will fetch and store some weapons and armor.

World Population Limits

This content was only useful during the MMO. It does not apply to the singleplayer game.
Reason: Numbers are completely different for the singleplayer game

The population limit, compared to old-style cities, has been increased dramatically. All worlds can now have populations in the thousands, and ringworld arcs can have millions.

Overpopulation morale penalties start once the population limit is exceeded and scales up to -20 at double the population limit.

However all worlds now have a building volume limit depending on world size and a building count limit of 500. This means that the collective volume of all buildings on the world has to be below the limit, but making many many tiny buildings is also limited.

Morale penalty is -1 per 1000 cubic meters of building volume in excess of the maximum, rounded up. e.g. 1 to 1000 cubic meters excess = -1 to morale, 1001 to 2000 cubic meters excess = -2 to morale. There is no limit on this morale penalty. A -1 morale penalty is incurred for every building beyond that the max building count.

Limits by World Size
World Size Area Population Limit [2] Max Building Volume [3] Max Building Count [4]
Sphere 1 1,894m diameter 11,268,913m² 5,6345 1,625,639m³ 250
Sphere 2 3,788m diameter 45,075,652m² 22,538 6,502,554m³ 250
Sphere 3 5,682m diameter 101,420,217m² 50,710 14,630,603m³ 250
Sphere 4 7,576m diameter 180,302,609m² 90,151 26,010,072m³ 250
Sphere 5 9,470m diameter 281,722,826m² 140,861 40,640,676m³ 250
Sphere 6 11,364m diameter 405,680,870m² 202,840 58,522,556m³ 250
Sphere 7 13,258m diameter 552,176,739m² 276,088 79,655,712m³ 250
Sphere 8 15,152m diameter 721,210,435m² 360,605 104,040,000m³ 250
Sphere 9 17,045m diameter 912,781,956m² 456,391 131,675,712m³ 250
Sphere 10 18,939m diameter 1,126,891,304m² 563,445 162,562,560m³ 250
Sphere 11 20,833m diameter 1,363,538,478m² 681,769 196,700,672m³ 250
Sphere 12 22,727m diameter 1,622,723,478m² 811,361 234,090,080m³ 250
Ringworld arc 229,814 x 17,850m 4,102,166,484m² 2,051,083 295,884,256m³ 250

World Population Growth

The population growth is based on the city morale. There are three different population growth sources: baby births, indigenous migration, and space traveller migration.

  • Morale affects birth rate.
    • When morale is zero or more, babies will be born in the city, if the world population is two or more.
    • When morale is less than or equal to the number of breeding pairs, no babies are born in the city.
    • The rate of baby production is based on the number of breeding pairs (1/2 the world population) and the magnitude of the morale.
    • The maximum rate per world is one baby per minute.
  • Morale affects migration of indigenous people, on habitable worlds and ringworlds.
    • When morale is zero or more, indigenous people move into your buildings.
    • When morale is -2 or less, citizens depart the city to live among the indigenous.
    • At -1 morale, indigenous people neither arrive nor depart.
    • The magnitude of the morale increases the rate of arrivals and departures.
    • The maximum rate per world is one arrival and one departure per minute.
  • Morale affects travellers arriving and departing from airports, at buildings connected to an airport.
    • When morale is zero or more, travellers arrive via airports.
    • When morale is -2 or less, travellers depart via airports.
    • At -1 morale, travellers neither arrive nor depart.
    • The magnitude of the morale increases the rate of arrivals and departures.
    • The maximum rate per world is one arrival and one departure per minute.


Alongside the designer controversy described in Spacecraft Update, the building and city overhauls' specific changes have also been criticized:

With the expansion of the system to buildings and cities, many players have voiced confusion with city building. New buildings no longer used "levels" for production, and instead determine their capabilities just from volume allocated during designing. This has been argued as a bad thing, as it lowered building flexibility and removed part of the decision making process when building cities. While this aspect has caused confusion by itself, it's enabled design multi-use, where a single building design can be used by many building types that the design also technically fulfils the requirements for. This resulted in the same design being usable for many different industries, so one can see a machine shop when placing a refinery, or a design studio when placing an airport, which only caused further player confusion and has been described as far less "friendly to play" by returning players.[5]



Old Pictures