Sid Meier's Alpha Centauri/Technology tree

Adaptive Doctrine

 * Prerequisite: Polymorphic Software, Doctrine: Flexibility
 * Technology: Advanced Military Algorithms
 * Armor: Pulse 3 Armor
 * Special Ability: Marine Detachment

Adaptive Economics

 * Prerequisite: Progenitor Psych, Industrial Economics
 * Technology: Planetary Economics
 * Base Facility: Thermocline Transducer
 * Secret Project: The Planetary Energy Grid

Adv. Ecological Engineering

 * Prerequisite: Fusion Power, Environmental Economics
 * Technology: Centauri Psi
 * Terraforming: Soil Enricher
 * Diplomatic Proposal: Melt Polar Caps
 * Special Ability: Super Former
 * Sea Mining Platforms produce +1 Minerals

Advanced Military Algorithms

 * Prerequisite: Adaptive Doctrine, Optical Computers
 * Technology: Pre-Sentient Algorithms, Retroviral Engineering
 * Base Facility: Punishment Sphere
 * Socio/economic model: Power
 * Terraforming: Bunker
 * Diplomatic Proposal: Repeal U.N. Charter, Reinstate U.N. Charter
 * Special Ability: AAA Tracking

Advanced Spaceflight

 * Prerequisite: Orbital Spaceflight, Organic Superlubricant
 * Technology: Super Tensile Solids
 * Base Facility: Orbital Power Transmitter
 * Secret Project: The Living Refinery
 * Weapon: Plasma Shard
 * Diplomatic Proposal: Launch Solar Shade, Increase Solar Shade

Advanced Subatomic Theory

 * Prerequisite: High Energy Chemistry, Polymorphic Software
 * Technology: Applied Relativity, Silksteel Alloys
 * Base Facility: Skunkworks
 * Special Ability: Comm Jammer

Applied Gravitonics

 * Prerequisite: Graviton Theory, Digital Sentience
 * Technology: Controlled Singularity
 * Weapon: Graviton Gun

Applied Physics

 * Technology: Nonlinear Mathematics, High Energy Chemistry, Optical Computers
 * Weapon: Laser

Applied Relativity

 * Prerequisite: Superconductor, Advanced Subatomic Theory
 * Technology: Unified Field Theory, Photon/Wave Mechanics
 * Secret Project: The Supercollider

Bio-Engineering

 * Prerequisite: Gene Splicing, Neural Grafting
 * Technology: Retroviral Engineering
 * Secret Project: The Longevity Vaccine
 * Special Ability: Clean Reactor
 * Increases defense against gene warfare.

Bioadaptive Resonance

 * Prerequisite: Field Modulation, Centauri Empathy
 * Technology: Sentient Resonance
 * Unit: Spore Launcher
 * Weapon: Resonance Laser
 * Special Ability: Soporific Gas Pods

Biogenetics

 * Technology: Secrets of the Human Brain, Gene Splicing
 * Base Facility: Recycling Tanks
 * Secret Project: The Human Genome Project
 * Increases defense against gene warfare.

Biomachinery

 * Prerequisite: Mind/Machine Interface, Retroviral Engineering
 * Technology: Homo Superior, N-Space Compression
 * Secret Project: The Cloning Vats
 * Increases defense against gene warfare.

Centauri Ecology

 * Technology: Centauri Empathy, Ecological Engineering, Field Modulation
 * Secret Project: The Weather Paradigm
 * Unit: Formers
 * Weapon: Terraforming Unit
 * Increases Nutrient production in fungus.

Centauri Empathy

 * Prerequisite: Secrets of the Human Brain, Centauri Ecology
 * Technology: Centauri Meditation, Bioadaptive Resonance
 * Base Facility: Biology Lab
 * Secret Project: The Empath Guild
 * Socio/economic model: Green
 * Unit: Mind Worms
 * Special Ability: Empath Song
 * Allows roads to be built in fungus squares.

Centauri Genetics

 * Prerequisite: Centauri Meditation, Retroviral Engineering
 * Technology: Centauri Psi
 * Base Facility: Brood Pit
 * Secret Project: The Pholus Mutagen
 * Unit: Locusts of Chiron
 * Increases Mineral production in fungus.

Centauri Meditation

 * Prerequisite: Ecological Engineering, Centauri Empathy
 * Technology: Centauri Genetics
 * Base Facility: Centauri Preserve
 * Secret Project: The Xenoempathy Dome
 * Citizens: Empath
 * Unit: Isle of the Deep
 * Increases Energy production in fungus.

Centauri Psi

 * Prerequisite: Centauri Genetics, Adv. Ecological Engineering
 * Technology: The Will to Power, Secrets of Alpha Centauri, Sentient Resonance
 * Unit: Sealurk
 * Weapon: Psi Attack
 * Special Ability: Dissociative Wave
 * Increases Nutrient production in fungus.
 * Allows terrain improvements in fungus squares and eases fungus movement restrictions.

Controlled Singularity

 * Prerequisite: Singularity Mechanics, Applied Gravitonics
 * Technology: String Resonance, Transcendent Thought
 * Secret Project: The Singularity Inductor
 * Weapon: Singularity Laser

Cyberethics

 * Prerequisite: Planetary Networks, Intellectual Integrity
 * Technology: Superstring Theory, Pre-Sentient Algorithms
 * Secret Project: The Planetary Datalinks
 * Socio/economic model: Knowledge

Digital Sentience

 * Prerequisite: Industrial Nanorobotics, Mind/Machine Interface
 * Technology: Applied Gravitonics, Self-Aware Machines, Sentient Econometrics
 * Secret Project: The Network Backbone
 * Socio/economic model: Cybernetic
 * Improves Probe Team success rate.

Doctrine: Air Power

 * Prerequisite: Synthetic Fossil Fuels, Doctrine: Flexibility
 * Technology: Mind/Machine Interface, Orbital Spaceflight
 * Base Facility: Aerospace Complex
 * Terraforming: Airbase
 * Chassis: Needlejet
 * Special Ability: Air Superiority

Doctrine: Flexibility

 * Prerequisite: Doctrine: Mobility
 * Technology: Doctrine: Initiative, Doctrine: Air Power, Adaptive Doctrine
 * Base Facility: Pressure Dome
 * Unit: Transport Foil
 * Weapon: Troop Transport
 * Chassis: Foil

Doctrine: Initiative

 * Prerequisite: Doctrine: Flexibility, Industrial Automation
 * Technology: Nanometallurgy, Homo Superior
 * Base Facility: Naval Yard
 * Secret Project: The Maritime Control Center
 * Chassis: Cruiser
 * Special Ability: Amphibious Pods

Doctrine: Loyalty

 * Prerequisite: Doctrine: Mobility, Social Psych
 * Technology: Intellectual Integrity
 * Base Facility: Perimeter Defense
 * Secret Project: The Command Nexus
 * Socio/economic model: Police State

Doctrine: Mobility

 * Technology: Doctrine: Flexibility, Doctrine: Loyalty
 * Base Facility: Command Center
 * Chassis: Speeder

Ecological Engineering

 * Prerequisite: Centauri Ecology, Gene Splicing
 * Technology: Centauri Meditation, Environmental Economics
 * Terraforming: Fungus, Condenser, Echelon Mirror, Thermal Borehole, Aquifer
 * Allows a tile's Energy production to exceed 2.

Environmental Economics

 * Prerequisite: Industrial Economics, Ecological Engineering
 * Technology: Adv. Ecological Engineering
 * Base Facility: Tree Farm
 * Terraforming: Raise Land, Lower Land
 * Increases commerce income from treaties and pacts.

Ethical Calculus

 * Prerequisite: Social Psych
 * Technology: Intellectual Integrity, Gene Splicing
 * Base Facility: Children's Creche
 * Socio/economic model: Democratic

Eudaimonia

 * Prerequisite: Sentient Econometrics, The Will to Power
 * Technology: Temporal Mechanics
 * Secret Project: The Telepathic Matrix
 * Socio/economic model: Eudaimonic
 * Armor: Psi Defense

Field Modulation

 * Prerequisite: Progenitor Psych, Centauri Ecology
 * Technology: Bioadaptive Resonance
 * Armor: Resonance 3 Armor

Frictionless Surfaces

 * Prerequisite: Unified Field Theory, Industrial Nanorobotics
 * Technology: Quantum Power
 * Special Ability: Cloaking Device

Fusion Power

 * Prerequisite: Pre-Sentient Algorithms, Superconductor
 * Technology: Adv. Ecological Engineering, Organic Superlubricant
 * Base Facility: Fusion Lab
 * Citizens: Engineer
 * Reactor: Fusion Reactor

Gene Splicing

 * Prerequisite: Biogenetics, Ethical Calculus
 * Technology: Synthetic Fossil Fuels, Bio-Engineering, Ecological Engineering
 * Base Facility: Research Hospital
 * Increases defense against gene warfare.
 * Allows a tile's Nutrient production to exceed 2.

Graviton Theory

 * Prerequisite: Quantum Machinery, Mind/Machine Interface
 * Technology: Applied Gravitonics
 * Chassis: Gravship
 * Special Ability: Antigrav Struts
 * Allows units with drop pods to perform orbital insertions to any location.

High Energy Chemistry

 * Prerequisite: Industrial Base, Applied Physics
 * Technology: Advanced Subatomic Theory, Synthetic Fossil Fuels
 * Armor: Plasma Steel Armor
 * Special Ability: Nerve Gas Pods

Homo Superior

 * Prerequisite: Biomachinery, Doctrine: Initiative
 * Technology: The Will to Power
 * Base Facility: Nanohospital
 * Secret Project: The Universal Translator

Industrial Automation

 * Prerequisite: Industrial Economics, Planetary Networks
 * Technology: Silksteel Alloys, Doctrine: Initiative, Neural Grafting, Industrial Nanorobotics
 * Base Facility: Hab Complex
 * Secret Project: The Planetary Transit System
 * Socio/economic model: Wealth
 * Unit: Supply Crawler
 * Weapon: Supply Transport
 * Increases commerce income from treaties and pacts.

Industrial Base

 * Technology: Superconductor, High Energy Chemistry, Polymorphic Software, Industrial Economics
 * Secret Project: The Merchant Exchange
 * Armor: Synthmetal Armor

Industrial Economics

 * Prerequisite: Industrial Base
 * Technology: Industrial Automation, Environmental Economics, Adaptive Economics
 * Base Facility: Energy Bank
 * Socio/economic model: Free Market
 * Increases commerce income from treaties and pacts.

Industrial Nanorobotics

 * Prerequisite: Nanominiaturization, Industrial Automation
 * Technology: Frictionless Surfaces, Digital Sentience
 * Base Facility: Robotic Assembly Plant
 * Secret Project: The Nano Factory
 * Increases commerce income from treaties and pacts.

Information Networks

 * Technology: Nonlinear Mathematics, Polymorphic Software, Planetary Networks
 * Base Facility: Network Node

Intellectual Integrity

 * Prerequisite: Ethical Calculus, Doctrine: Loyalty
 * Technology: Cyberethics, Planetary Economics
 * Secret Project: The Citizens' Defense Force
 * Special Ability: Non-Lethal Methods

Matter Compression

 * Prerequisite: Nanometallurgy, Nanominiaturization
 * Technology: Super Tensile Solids
 * Armor: Neutronium Armor
 * Special Ability: Fuel Nanocells

Matter Editation

 * Prerequisite: Self-Aware Machines, Super Tensile Solids
 * Technology: Matter Transmission
 * Base Facility: Nanoreplicator
 * Secret Project: Clinical Immortality
 * Armor: Antimatter Plate
 * Increases defense against gene warfare.

Matter Transmission

 * Prerequisite: Matter Editation, Secrets of Alpha Centauri
 * Technology: Temporal Mechanics
 * Base Facility: Psi Gate
 * Secret Project: The Bulk Matter Transmitter
 * Special Ability: Blink Displacer
 * Increases Mineral production in fungus.

Mind/Machine Interface

 * Prerequisite: Doctrine: Air Power, Neural Grafting
 * Technology: Graviton Theory, Digital Sentience, Biomachinery
 * Secret Project: The Cyborg Factory
 * Secret Project: The Cloudbase Academy
 * Citizens: Thinker
 * Chassis: Copter
 * Diplomatic Proposal: Unite Behind Me As Supreme Leader
 * Special Ability: Drop Pods
 * Improves Probe Team success rate.

Monopole Magnets

 * Prerequisite: Superstring Theory, Silksteel Alloys
 * Technology: Unified Field Theory, Nanominiaturization
 * Terraforming: Mag Tube

N-Space Compression

 * Prerequisite: Orbital Spaceflight, Biomachinery
 * Technology: Self-Aware Machines
 * Base Facility: Flechette Defense System, Geosynchronous Survey Pod

Nanometallurgy

 * Prerequisite: Probability Mechanics, Doctrine: Initiative
 * Technology: Matter Compression, Quantum Machinery
 * Special Ability: Repair Bay

Nanominiaturization

 * Prerequisite: Monopole Magnets, Organic Superlubricant
 * Technology: Matter Compression, Industrial Nanorobotics
 * Chassis: Hovertank
 * Special Ability: Algorithmic Enhancement

Neural Grafting

 * Prerequisite: Secrets of the Human Brain, Industrial Automation
 * Technology: Mind/Machine Interface, Bio-Engineering
 * Base Facility: Bioenhancement Center
 * Secret Project: The Neural Amplifier
 * Allows a unit to have two special abilities.

Nonlinear Mathematics

 * Prerequisite: Applied Physics, Information Networks
 * Technology: Superstring Theory
 * Weapon: Particle Impactor

Optical Computers

 * Prerequisite: Applied Physics, Polymorphic Software
 * Technology: Superconductor, Advanced Military Algorithms

Orbital Spaceflight

 * Prerequisite: Doctrine: Air Power, Pre-Sentient Algorithms
 * Technology: Advanced Spaceflight, N-Space Compression
 * Base Facility: Sky Hydroponics Lab
 * Weapon: Planet Buster, Conventional Payload
 * Chassis: Missile
 * Diplomatic Proposal: Salvage Unity Fusion Core

Organic Superlubricant

 * Prerequisite: Fusion Power, Synthetic Fossil Fuels
 * Technology: Nanominiaturization, Advanced Spaceflight
 * Weapon: Fusion Laser

Photon/Wave Mechanics

 * Prerequisite: Applied Relativity, Silksteel Alloys
 * Technology: Probability Mechanics
 * Armor: Photon Wall

Planetary Economics

 * Prerequisite: Adaptive Economics, Intellectual Integrity
 * Technology: Quantum Power, Sentient Econometrics
 * Base Facility: Hybrid Forest, Subsea Trunkline
 * Secret Project: The Ascetic Virtues
 * Diplomatic Proposal: Global Trade Pact, Repeal Global Trade Pact
 * Increases commerce income from treaties and pacts.
 * Allows economic victory

Planetary Networks

 * Prerequisite: Information Networks
 * Technology: Industrial Automation, Cyberethics
 * Base Facility: Hologram Theatre
 * Secret Project: The Virtual World
 * Socio/economic model: Planned
 * Citizens: Librarian
 * Unit: Probe Team
 * Weapon: Probe Team

Polymorphic Software

 * Prerequisite: Industrial Base, Information Networks
 * Technology: Advanced Subatomic Theory, Optical Computers, Adaptive Doctrine
 * Special Ability: Heavy Artillery
 * Improves Probe Team success rate.

Pre-Sentient Algorithms

 * Prerequisite: Advanced Military Algorithms, Cyberethics
 * Technology: Fusion Power, Probability Mechanics, Orbital Spaceflight
 * Base Facility: Covert Ops Center
 * Secret Project: The Hunter-Seeker Algorithm
 * Special Ability: Polymorphic Encryption
 * Improves Probe Team success rate.

Probability Mechanics

 * Prerequisite: Photon/Wave Mechanics, Pre-Sentient Algorithms
 * Technology: Nanometallurgy
 * Base Facility: Tachyon Field
 * Armor: Probability Sheath

Progenitor Psych

 * Technology: Field Modulation, Adaptive Economics
 * Base Facility: Aquafarm

Quantum Machinery

 * Prerequisite: Quantum Power, Nanometallurgy
 * Technology: Graviton Theory
 * Base Facility: Quantum Converter
 * Weapon: Quantum Laser

Quantum Power

 * Prerequisite: Frictionless Surfaces, Planetary Economics
 * Technology: Quantum Machinery
 * Base Facility: Quantum Lab
 * Reactor: Quantum Chamber

Retroviral Engineering

 * Prerequisite: Bio-Engineering, Advanced Military Algorithms
 * Technology: Biomachinery, Centauri Genetics
 * Base Facility: Genejack Factory
 * Increases defense against gene warfare.
 * Allows gene warfare to be committed by probe teams.

Secrets of Alpha Centauri

 * Prerequisite: Centauri Psi, Sentient Econometrics
 * Technology: Matter Transmission, Secrets of the Manifolds
 * Base Facility: Temple of Planet
 * Citizens: Transcend
 * Increases Energy production in fungus.
 * Reveals the entire map when discovered.
 * Secrets: First faction to discover Secrets of Alpha Centauri gains a free technological advance.

Secrets of Creation

 * Prerequisite: Unified Field Theory, The Will to Power
 * Technology: Singularity Mechanics
 * Secrets: First faction to discover Secrets of Creation gains a free technological advance.

Secrets of the Human Brain

 * Prerequisite: Social Psych, Biogenetics
 * Technology: Neural Grafting, Centauri Empathy
 * Socio/economic model: Fundamentalist
 * Special Ability: Hypnotic Trance
 * Secrets: First faction to discover Secrets of the Human Brain gains a free technological advance.

Secrets of the Manifolds

 * Prerequisite: Sentient Resonance, Secrets of Alpha Centauri
 * Technology: Threshold of Transcendence, String Resonance
 * Secret Project: The Manifold Harmonics
 * Secrets: First faction to discover Secrets of the Manifolds gains a free technological advance.

Self-Aware Machines

 * Prerequisite: N-Space Compression, Digital Sentience
 * Technology: Singularity Mechanics, Matter Editation
 * Base Facility: Nessus Mining Station, Orbital Defense Pod
 * Secret Project: The Self-Aware Colony
 * Secret Project: The Nethack Terminus
 * Improves Probe Team success rate.

Sentient Econometrics

 * Prerequisite: Planetary Economics, Digital Sentience
 * Technology: Eudaimonia, Secrets of Alpha Centauri
 * Base Facility: Paradise Garden
 * Increases commerce income from treaties and pacts.

Sentient Resonance

 * Prerequisite: Bioadaptive Resonance, Centauri Psi
 * Technology: Secrets of the Manifolds
 * Weapon: Resonance Bolt
 * Armor: Resonance 8 Armor

Silksteel Alloys

 * Prerequisite: Advanced Subatomic Theory, Industrial Automation
 * Technology: Monopole Magnets, Photon/Wave Mechanics
 * Armor: Silksteel Armor

Singularity Mechanics

 * Prerequisite: Secrets of Creation, Self-Aware Machines
 * Technology: Controlled Singularity
 * Base Facility: Subspace Generator
 * Reactor: Singularity Engine

Social Psych

 * Technology: Doctrine: Loyalty, Ethical Calculus, Secrets of the Human Brain
 * Base Facility: Recreation Commons

String Resonance

 * Prerequisite: Secrets of the Manifolds, Controlled Singularity
 * Weapon: String Disruptor

Super Tensile Solids

 * Prerequisite: Matter Compression, Advanced Spaceflight
 * Technology: Matter Editation
 * Base Facility: Habitation Dome
 * Secret Project: The Space Elevator
 * Armor: Pulse 8 Armor

Superconductor

 * Prerequisite: Optical Computers, Industrial Base
 * Technology: Applied Relativity, Fusion Power
 * Weapon: Gatling Laser

Superstring Theory

 * Prerequisite: Nonlinear Mathematics, Cyberethics
 * Technology: Monopole Magnets
 * Weapon: Chaos Gun

Synthetic Fossil Fuels

 * Prerequisite: High Energy Chemistry, Gene Splicing
 * Technology: Doctrine: Air Power, Organic Superlubricant
 * Weapon: Missile Launcher
 * Special Ability: Fungicide Tanks

Temporal Mechanics

 * Prerequisite: Eudaimonia, Matter Transmission
 * Technology: Threshold of Transcendence
 * Armor: Stasis Generator
 * Increases Energy production in fungus.

The Will to Power

 * Prerequisite: Homo Superior, Centauri Psi
 * Technology: Eudaimonia, Secrets of Creation
 * Secret Project: The Dream Twister
 * Socio/economic model: Thought Control

Threshold of Transcendence

 * Prerequisite: Secrets of the Manifolds, Temporal Mechanics
 * Technology: Transcendent Thought
 * Secret Project: The Voice of Planet
 * Secret Project: The Ascent to Transcendence
 * Increases Mineral production in fungus.

Transcendent Thought

 * Prerequisite: Threshold of Transcendence, Controlled Singularity

Unified Field Theory

 * Prerequisite: Monopole Magnets, Applied Relativity
 * Technology: Frictionless Surfaces, Secrets of Creation
 * Secret Project: The Theory of Everything
 * Weapon: Tachyon Bolt