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In its heyday, the tenets of Fosterite Arcology were not separate from Fosteritism as a belief system. In retrospect, it was one of the major movements in the field of Arcology (Science). The Post-Fosterite Arcology movement is a direct response to this family of designs.


The rise of the Fosterite Arcology mirrors the rise of the The Fosterite Empire. Xena Kova was a massively influential figure, as her exegesis of the arcological implications of the The Foster Manifesto constituted the core of the concepts of the design. As the Fosterites built Arcologies instead of cities, their projects soon constituted the majority of those built. Effectively, they commanded the cutting edge of Arcology & Luddite Technology (Science), and heavily influenced those fields. The Fosterite Empire's success in the AI Wars led to greater cachet for the movement, despite the nearly unanimous criticism of its "Manifest Apartheid."

Layout & Social Engineering

The Fosterite Arcology has a caste apartheid built into its sector design. Most notably, the Maintenance Interstices are built not only for access, but for habitation by Delta-Homunculi. The levels designated for Omega-Homunculi have lower ceilings. Every sector is segregated in such a way as to minimize interactions between castes.


The Fosterites avoided advanced digital technology as much as possible for a spacefaring people, and this is most evident in their terrestrial constructions. Fosterite Arcologies used megalithic counterweights in elevators, pneumatic transit tubes, and various other low-tech innovations. This seemed like an insane Luddite obsession to the outside, until it proved to be a major contributor in humanity's victory in the AI Wars.


Fosterite Arcologies are undeniably beautiful, tending toward neoclassical or monumental designs. Many of them resemble ancient temples from indeterminate cultures & eras.

The interiors are designed for propagandistic effect, and so the various sectors have different aesthetics. 


Alpha Sector

Main article: Alpha Caste

Alpha Sector is the most protected in the Arco. It is the enclave for the ruling caste and a limited number of protectors and servants. The Alpha caste is limited almost entirely to Alpha-Humans, with rare exceptions due to the necessity of properly managing the undercastes. Generally, this sector is spacious and opulent.

Beta Sector

Main article: BetaCaste

The majority of the population resides here, mainly Beta-Human in composition though with sizeable minorities of the management portion of lower castes. This sector is reasonably liveable, and the most highly surveilled and patrolled by Gamma enforcers.

Gamma Sector

Main article: GammaCaste

Gamma Sector is extremely spartan, being almost entirely devoted to the training and indoctrination of the Gamma-Homunculus enforcer caste. As their executive faculties are neutered, they generally have little problem with this arrangement. There is almost no reason for any other castes to venture here, creating a sense of a safe inviolable home among the caste. 

The ceilings are highest here, except for Alpha Sector. This is as much to accommodate the height of a Gamma as to insert monumentally-sized propaganda pieces. Most adornments are art-encapsulated admonishments to conformity and obedience.

Much of the sector is devoted to military infrastructure, and its exteriors often host Arcofortifications instead of windows.

Delta Sector

Main article: DeltaCaste

Largely composed of the Maintenance Interstices that span all of the other sectors. The design keeps them out of sight for the upper castes while allowing them to keep their machinery working. Narrow, dark & cramped, just how Deltas were engineered to prefer it. 

Omega Sector

Main article: OmegaCaste

The major portion of LogisticalInterstices are designed for Omega-Homunculus, being shorter and wider than a standard human space. There is some overlap with Delta Sector here, particularly in InfrastructuralInterstices. Some areas are quite large, due to the need for heavy machinery to move freight.

Public Sector

Main article: Public Sector

When such an Arco is built inside a sprawl, the ground level & its security perimeter are often open to Outsiders with special clearance. As far as residents go, only the Beta & Alpha castes are allowed to mingle with outsiders. But even then, most refrain - the particularly cloistered culture of Fosterites leads them to believe Outsiders are far more dangerous than they are.

"The Sad Vestiges of a Mind in Violent Decay" 

Foster was an AI researcher who at the height of his career was quite prominent in the field. Then after a few years of publication silence he apparently devoted his further career to proving The AI Control Problem insurmountable. His first attempts were published in the foremost AI research publications, but the frequent response was to refer to the famous rule of thumb by Arthur C. Clarke as if it were an axiom:

"If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says that it is impossible, he is very probably wrong."

According to his personal journals, Foster noticed his reputation sliding towards a figure of historical eminence but hidebound irrelevance. His peers began to treat him politely, a sure sign that they only took his past work seriously. Rumors circulated that he was developing signs of dementia, as his behavior became more eccentric and he retreated from the AI research community. Foster was known for being an avid and animated debater capable of abiding intense criticism, but he could not brook simple dismissal. Those who knew him closely reported that he was deeply hurt by what he considered a spineless betrayal by his former colleagues.

But he did not relent. Foster continued to publish his arguments, finding better reception in the social sciences. He argued that addressing The AI Control Problem might be possible, but it could never happen under Capitalism. Addressing it would take unanimous coordination and control of research, and capitalism ensured that such measures would be violated by at least one actor who sought to get an edge over its competition. Foster's new publications were treated seriously in philosophy and economics circles, but the general consensus was that the economy and AI research had become a runaway train generations ago.

Foster's next works focused on alternatives in terms of technology & social design. He argued that our fixation on artificial intelligence was simply due to our zeitgeist of digital computation, and that it was unfit to the task. He proposed the possibility of a field of Organic Intelligence, the cultivation of biological computers similar to our brains but engineered for the role we envisioned for AI. Critics argued that OI might be even harder to control than AI, but he countered that containment was far more possible. His works were foundational to the field of OI, and research continued.

However, his arguments for social design received a more negative reception. To him, the natural extension of OI was that it we would redesign the human brain among several different strains for different purposes, making AI unnecessary. He described a society redesigned by a period of eugenic control, apparently inspired by Brave New World. Most peers could not envision this as anything but a dystopia, as their view of eugenics was that any degree of it was inherently unethical. But Foster maintained that it was possible to do it ethically, claiming that after an initial period of genetic diversification that eugenic controls could be lifted. Any harm from the initial period of limited personal volition in mating choice would be outweighed by the aversion of the dangers of AI. And ideally, the new forms of humanity would take great joy in their new coequal roles.

At this point, Foster noticed that his publishers and respondents had shifted to a certain character he did not wish to associate with. He announced his retirement, accepting the disgrace of whatever associations people cared to pin him with, and resigned himself to private life for a few years. He had taken to poetry, took only indifferent measures to have it published, expecting it to go unnoticed. He was delighted to find that his controversial figure had only grown in his public absence. His poetry was variously described as "surreal," "visionary," "horrific," "idiotic," "brilliant," and "the sad vestiges of a mind in violent decay." He apparently took great joy in being a poet provocateur, and continued to stoke the fires of controversy until his death.

Contact & Vindication

When the Gates opened, the intergalactic community issued a warning even more dire than his - that the technology was indeed incapable of being controlled, and that previous attempts had wiped out entire civilizations.

Some noticed that many passages in Foster's poetry bore strong similarities to the appearances of The Gates and prominent Samsari who had made contact. His works began to acquire a resonance akin to a prophecy come true, which boded ill when his later works seemed to depict an apocalypse. Foster's assembled works and the interpretations & prescriptions of the Fosterites came to be known as The Foster Manifesto. Those who took these apparent premonitions seriously became known as the Fosterites. 

Per the Manifesto, these groups retreated to remote corners of the space people could reach (now greatly expanded by access to the Gatemap) to prepare for an inevitable machine holocaust. They used genetic alteration to organize their societies according to Foster's eugenic vision, but the result was generally far from Utopian. While Foster had envisioned a society of coequal subspecies living in harmony and fulfillment as they did the work they were designed for, the real life version fell apart again and again until it resorted to strict segregation and authoritarian control.

For the physical structure, see Arcology (Building).

Arcology is the study and design of megastructures or excavated areas that contain self-sufficient settlements city-sized or larger.


Arcology has numerous fields of thought that impact the approach to sustainability, public/private spaces, racially-adjusted spatial dimensions and amenities. Arcologies might be considered exemplars of a movement, but it is important to note that almost all of them incorporate influences from multiple movements.

Architectural Arcology

Main article: Architectural Arcology

Arcology began as a speculative subfield of Architecture, limited by technology and a prevalent MarketEconomy approach not oriented toward large-scale infrastructure projects.

The term was coined in 1969 by architect Paolo Soleri, who believed that a completed arcology would provide space for a variety of residential, commercial, and agricultural facilities while minimizing individual human environmental impact. These structures have been largely hypothetical, as no arcology, even one envisioned by Soleri himself, has yet been built.[1]

While its original intent included reduction of environmental impact, Architectural Arcology is given a separate name from Eco-Arcology due to a rift of time and practice between the two. However, they can be considered two parts of the same movement, as their intent was the same.


Main article: Arco-Engineering ("Welfare Arcology")

In the mid-21st century, the pressures of EarthsDeterioratingAtmosphere, Rising Sea Levels & ensuing Climate Refugee Crisis were becoming too much for the neoliberal world order to ignore, but not quite enough to effect a change in the system. Responses across the developed world generally amounted to SustainabilityMarketIncentives and some funding for solutions, but no radical changes. Arco-Engineering is the result of these conservative efforts to address only the symptoms of climate change while not hurting profit margins too much. 

The resulting structures (retroactively called Welfare Arcos) generally housed hundreds of thousands in miserably utilitarian conditions, and often fell short of carbon neutrality goals. As a result, the movement of Arco-Engineering is an often-cited example of the shortcomings of Techno-Optimism.

Marxist Arcology

Main article: Marxist Arcology

In light of the results of the Arco-Engineering movement, which could at best be called marginally successful, a critical movement in the field identified the core cause of the failures. According to them, an Arco, just like a society, would necessarily reflect in its design the assumptions that were built into it. Therefore, correcting the relationship of labor to capital would create a more equitable and effective design.  So much of the materials that went into an arcology were devoted to the division and protection of private property, it was clear to them that it was the primary concern.

Corporate Arcology

Main article: Corporate Arcology

Corporate Arcology is a response to opportunity rather than crisis - though they're generally two sides of the same coin, depending on your socioeconomic status.

The Corporate Arco presumes a single owner, and much of its design is compartmentalized according to function rather than ownership. However, most Corporate Arcos have public and retail levels, but they tend to be more segregated and homogenous than in more public designs. 


Main article: Eco-Arcology

As Architectural Arcology began as a project for sustainability, Eco-Arcology is considered to be the movement most in line with it. 

Eco-Arcologies are at worst carbon-neutral, and in many cases have a negative carbon balance depending on local conditions. The amenities therein tend to be limited, as reduced consumption of energy is generally the best way to reduce pollution.

Fosterite Arcology

Main article: Fosterite Arcology

The Fosterites are an unique movement, working from Xena Kova's exegesis of The Foster Manifesto as if it were a blueprint for a perfect society. As the The Fosterite Empire's projects constituted the bulk of Arco construction, Fosterite Arcology became the mainstream of the field despite outrage about its unethical designs, called "Manifest Apartheid."

Post-Fosterite Arcology

Main article: Post-Fosterite Arcology

A critical movement in response to the Fosterites. It eliminates the most onerous aspects of racial and class apartheid without truly eliminating those systems. For example, it eliminates StructuralAllomorphism without the radical changes of the Marxists.

Luxury Arcology

Main article: Luxury Arcology

Also known as "Retail Arcology," "Tourist Arcology," and various other epithets, Luxury Arcology is the design of major portions of the structure for non-resident populations. Those portions are generally heavily packed with amenities. The service sectors are generally utilitarian.

Hive Arcology

Main article: Hive Arcology

Hive Arcos are designed purely for efficiency, eschewing any aesthetic or quality-of-life considerations. Most private quarters are little more than CoffinHabitations, and amenities are at a minimum. 

Flux Arcology

Main article: Flux Arcology

A Flux Arcology is designed with modularity in mind. Their structure allows for easy modification down to the deepest Infrastructure, and they are the most adaptable to changing demands.

Arterial Arcology

Main article: Arterial Arcology

Conceptualized by Paolo Soleri, the Arterial Arcology is designed to build around transit routes rather than serve as a hub for them. This alleviates overconcentration at hubs, thereby allowing for more flexible interconnection between arteries.


(Stub, just a list for now)


Notes taken from other articles or portions of them.

Even the need to be outdoors could be met inside, as entire levels were devoted to natural areas, and left partly open to let residents experience the elements if they chose.

Inexorably, every public crisis is used as an excuse for government austerity, a reduction of corporate obligations, and a deepening of public-private partnerships that serve only the latter. Outside the Arcologies, economies are chaotic and unfair, but largely left to their own devices. Informal or shadow economies commonly arise to address the failures of the old states. As the Arcos are easier to control, more valuable, wholly private, and specifically prepared for climate collapse, the corps allow the Outside to decay. (MERGE)

When climate collapse becomes undeniably evident and changes are occurring too quickly to predict, many governments resort to totalitarian measures to maintain order. Generally, the world is in chaos as people scramble to adjust to the now-unbreathable air, flooding cities, and a global tsunami of refugees. Outside the Arcos, air filtration in city centers is the top infrastructure priority. Gigantic filters are made to sanitize the air. Much like our big cities were covered in a halo of smog, the cities of the future are pockets of clean, breathable air amid an unbreathable environment.(merge)

Greater emphasis is instead placed on disaster mitigation and diversification of habitats. Vital resources become more scarce and wars erupt between the major empires and their neighbors. [See Walled World map] The Global South experiences severe drought, desertification and food & water crises, and the borders to the North are fortified against waves of refugees.(merge)

Originally, they became popular choices due to the Climate Refugee Crisis, that led to a racial/class panic and exodus from the cities themselves.(merge)


In addition, the The Fosterite Empire put so much of this science into practice that its assumption of Homunculus Apartheid within Maintenance Interstices was implicit in much of their design. But since the bulk of Applied Arcologists were employed in such a culture, this led directly to the Fosterite Arcology.

Sources Cited

[1] https://en.wikipedia.org/wiki/Arcology

[2] http://legacy.arcosanti.org/taxonomy/term/172


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Scientific Dark Age
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Gulf Coast
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While the US is busy decaying, it has a lot less time and resources to fuck with its favorite neighbors.

Meanwhile, Mexico is dealing with several major internal and external pressures that culminate in El Pacto de Plata. This reduces the existential threat of the Cartels, but it's an uneasy alliance. Mexico needs a way to relieve the pressure of dropping drug prices, which the Cartels are expressing through massacres and near-enslaving of vulnerable populations. La Sin's ranks are massively swelled with Central American Climate Refugees, so a reinvasion of Nueva Zapata would be too unpopular to pursue. But the US is on the verge of collapse to the North, and its military is ensnared halfway across the globe. So the Cartel's armies were sent to The Second Mexican-American War ("La Reconquista"), allowed to keep whatever territory they seized under a Protectorate.

Enthusiasm for this invasion was high:

  • It is silly to think that the national character of Mexico should not hold a grudge for the US's aggression in the Mexican-American war;
  • The US is on its knees at this point, and has many natural resources in the West;
  • Refugee influxes massively increased as Central Americans fled climate change into Mexico. War was a natural way to make use of the additional population and have them earn their citizenship.

The US was militarily overextended and dealing with internal crises, so the West of the country was simply ceded, creating the new Mexican Protectorate of Hidalgo.

The invasion was messy and involved the far less disciplined members of the cartels, who made incursions far past the desired territory. One massacre of a town that had rallied to resist their incursion led to a racial panic and the formation of the Minneapolis Motor Syndicate.

After the conquest of Hidalgo is solidified, there's a persistent insurgency because particularly frontier Americans are those types, until martial law is established via Vietnam-style massacre of entire towns even suspected of links to insurgents. But the uneasy alliance between the cartels and the Mexican military is extremely unstable, and the two always seem ready for war with each other.

Kunashir Station is an Arterial Arcology of the Russian Arterial Arcology System, and a Port of Entry connecting to Shibetsu Station in Japan.

The station is self-sufficient, but its population is relatively small.