Alien World ruleset buildings

Antigrav Port

Allows one unit airlift from and to city, increased to three once tech Low-Level Orbit is known.

Requires Commercial Antigravity technology.

Basic Infrastructure

Basic Infrastructure to the city. This improvement has no maintenance, and cannot be sabotaged by enemy Stealth Spy. Without this improvement city cannot grow bigger than size 2.

First city gets this for free. This building has no technology requirements; it can be built from the start of the game.

Bunker

Revolt cannot be incited in a city with bunker.

Requires Underground Habitat technology.

Central Mine

City center tile produces three extra shields.

Requires Mining technology. City center must be on Land tile.

Cyberpart Factory

Increases the tax output in a city by 75%.

Requires Cybermodules technology.

Factory

Factory produces spare parts for two units removing their production upkeep.

Requires Manufacturing technology.

Filter

Filter System gets 1 extra food and 1 extra production from each oceanic tile.

Requires High-Tech Filtering technology. City center must be on, or adjacent to, oceanic tile.

Force Walls

Force Walls doubles city defense against all kind of attacks. Bonus is increased to 150% when Strong Force technology is known.

Requires City Defense technology.

Headquarters

Headquarters building marks city it is as your capital. City with headquarters is also safe from enemy's incite revolt attacks.

Small wonder. First city gets this for free. This building has no technology requirements; it can be built from the start of the game.

Hospital

Damaged units which stay in city without moving, heal 50% of their hitpoints \ each turn.

Requires Regeneration technology.

Information Distillery

Improved information gathering. Only 2 other civilizations needs to know given technology before we gain access to it.

Small wonder. Requires Global Knowledge technology.

Mood Center

Makes 3 unhappy citizens content.

Requires Mood Manipulation technology.

Training Facility

All new units are build as Elite ones.

Requires Virtual Reality Training technology.

Transportation

City workers can travel further from city center to work and goods can be transported from further away to city center. Makes city area 8 tiles bigger.

Requires Travel technology.