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Improvement Effect Cost Prerequisite
Academy (CTP1)

Academy
+50% Science
+1/2 Science per citizen
540 Philosophy
Airport (CTP1)

Airport
+50% Gold
+100% Pollution
2500 Aerodynamics
Aqua-Filter (CTP1)

Aqua-Filter
-5 Overcrowding 8000 Fuel Cells
Aqueduct (CTP1)

Aqueduct
-2 Overcrowding
+20% Food
405 Engineering
Arcologies (building) (CTP1)

Arcologies (building)
-4 Overcrowding 5000 Arcologies (advance)
Bank (CTP1)

Bank
+50% Gold
Allows Merchants
1125 Banking
Beef Vat (CTP1)

Beef Vat
Each city gets guaranteed minimum +5 Food surplus
Increases Pollution
3000 Genetic Tailoring
Bio Memory Chip (CTP1)

Bio Memory Chip
+50% Science
+1 Science per citizen
2800 Neural Interface
Body Exchange (CTP1)

Body Exchange
+3 Happiness 10000 Life Extension
Capitol (CTP1)

Capitol
Improves Happiness
Reduces Crime
405 Stone Working
Cathedral (CTP1)

Cathedral
+3 Happiness (+5 in Theocracy, +1 in Communism) 2475 Perspective
City Clock (CTP1)

City Clock
+1 Gold per Citizen 1620 Mechanical Clock
City Wall (CTP1)

City Walls
+4 Defense
Prevents Capture Slaves and halves Convert City success
405 Stone Working
Coliseum (CTP1)

Coliseum
+2 Happiness 1035 Engineering
Computer Center (CTP1)

Computer Center
+50% Science
+1/2 Science per citizen
2400 Computer
Courthouse (CTP1)

Courthouse
-50% Crime 270 Jurisprudence
Drug Store (CTP1)

Drug Store
+3 Happiness
+25% Production
3000 Pharmaceuticals
Eco-Transit (CTP1)

Eco-Transit
-200% Pollution 3500 Fuel Cells
Factory (CTP1)

Factory
+50% Production
+100% Pollution
Allows Laborers
2025 Industrial Revolution
Forcefield (CTP1)

Forcefield
+12 Defense 6000 Unified Physics
Fusion Plant (CTP1)

Fusion Plant
+50% Production
-100% Pollution
10000 Fusion
Granary (CTP1)

Granary
Only 50% of stored food consumed for growth 540 Agriculture
Hospital (CTP1)

Hospital
-3 Overcrowding 2250 Medicine
House of Freezing (CTP1)

House of Freezing
+50% Gold
+5 Happiness in Theocracy
5000 Cryonics
Incubation Center (CTP1)

Incubation Center
+25% Production 2500 Human Cloning
Marketplace (CTP1)

Marketplace
+50% Gold
Allows Merchants
675 Domestication
Micro Defense (CTP1)

Micro Defense
Protects against Nano-Attack and Infect City 3500 Human Cloning
Mill (CTP1)

Mill
+50% Production 1125 Agricultural Revolution
Mind Controller (CTP1)

Mind Controller
Fixes Happiness at 75
Prevents 50% of Convert City attacks and 100% of Capture Slaves attacks
10000 Mind Control
Movie Palace (CTP1)

Movie Palace
-50% War Discontent 1500 Electrification
Nanite Factory (CTP1)

Nanite Factory
Rush buy cost limited to 1 gold per Production 4000 Nano-Assembly
Nuclear Plant (CTP1)

Nuclear Plant
+50% Production
-50% Pollution
5500 Quantum Physics
Oil Refinery (CTP1)

Oil Refinery
+50% Production
+200% Pollution
3500 Oil Refining
Publishing House (CTP1)

Publishing House
+25% Science
+1/2 Science per citizen
540 Printing Press
Rail Launcher (CTP1)

Rail Launcher
Launches Cargo Pods into Space 6000 Superconductor
Recycling Plant (CTP1)

Recycling Plant
-200% Pollution 3000 Conservation
Robotic Plant (CTP1)

Robotic Plant
+50% Production
+100% Pollution
4500 Robotics
SDI (CTP1)

SDI
Eliminates enemy nukes within City radius, cannot be built in Space 5000 Space Flight
Security Monitor (CTP1)

Security Monitor
-50% Crime
-100% Pollution
+25% Production
4000 AI Surveillance
Television (CTP1)

Television
+5 Gold per Citizen 3000 Mass Media
Temple (CTP1)

Temple
+2 Happiness 270 Religion
Theater (CTP1)

Theater
+1 Happiness
Entertainer effect doubled
495 Philosophy
University (CTP1)

University
+50% Science 1350 Classical Education