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By sending Constructors to a Starbase, a base may be upgraded to improve its performance or defense. As with the initial Starbase, the Constructor is sacrificed to create the improvement. While many improvements come free of charge (except the construction cost of the Constructor), some come with an additional cost. However, this fee is waived for those of evil alignment.

Note that some United Planets decisions may restrict the number of upgrade modules.

Defensive ModulesEdit

These may be added to any Starbase. They provide sensors as well as giving attack and defense against enemy ships that attempt to attack it.

Upgrade Name Tech Cost Module Requirement Effect
Battle Stations Space Weapons 200 Beam Weapon, Missile, Mass Driver attack +1
Battle Stations II Medium Scale Building 100 Battle Stations Beam Weapon, Missile, Mass Driver attack +2
Battle Stations III Large Scale Building 100 Battle Stations II Beam Weapon, Missile, Mass Driver attack +4
Battle Stations IV Massive Scale Building 200 Battle Stations III Beam Weapon, Missile, Mass Driver attack +6
Subspace Blaster Starbase Fortification 0 Battle Stations Beam Weapon attack +5
Subspace Blaster II Starbase Fortification Mark II 0 Beam Weapon attack +10
Subspace Blaster III Starbase Fortification Mark III 0 Beam Weapon attack +30
Devastation Beam 0 Battle Stations Beam Weapon attack +7
Star Javelin Starbase Fortification 0 Battle Stations Missile attack +5
Star Javelin II Starbase Fortification Mark II 0 Missile attack +10
Star Javelin III Starbase Fortification Mark III 0 Missile attack +30
Matter Detinators Blackhole Eruptor 0 Battle Stations Missile attack +7
Ship Pounder Starbase Fortification 0 Battle Stations Mass Driver attack +5
Ship Pounder II Starbase Fortification Mark II 0 Mass Driver attack +10
Ship Pounder III Starbase Fortification Mark III 0 Mass Driver attack +30
Atlas Sling Singularity Driver 0 Battle Stations Mass Driver attack +7
Ray-Shielding Starbase Fortification 0 Battle Stations Shields defense +5
Ray-Shielding II Starbase Fortification Mark II 0 Ray-Shielding Shields defense +10
Ray-Shielding III Starbase Fortification Mark III 0 Ray-Shielding II Shields defense +20
Invulnerability Bloom Advanced Force Fields 0 Battle Stations Shields defense +16
Missile Defender Starbase Fortification 0 Battle Stations Point Defense defense +5
Missile Defender II Starbase Fortification Mark II 0 Missile Defender Point Defense defense +10
Missile Defender III Starbase Fortification Mark III 0 Missile Defender II Point Defense defense +20
Electro-Magnetic Surge Aereon Missile Defense 0 Battle Stations Point Defense defense +16
Combat Armor Starbase Fortification 0 Battle Stations Armor defense +5
Combat Armor II Starbase Fortification Mark II 0 Combat Armor Armor defense +10
Combat Armor III Starbase Fortification Mark III 0 Combat Armor II Armor defense +20
Overlord Armor Zero-Point Armor 0 Battle Stations Armor defense +16
Perimeter Scanners Sensors 0 Sensors range +1
Sector Scanners Sensors Mark II 100 Perimeter Scanners Sensors range +2
Sector Surveillance Scanners Sensors Mark III 150 Sector Scanners Sensors range +3
Ultimate Surveillance Scanners Sensors Mark IV 200 Sector Surveillance Scanners Sensors range +4


Economic ModulesEdit

These may be added to Economic starbases. They enhance the military production, social production, and research of planets in the area of effect as well as increase trade revenue of passing Freighters.

Upgrade Name Tech Cost Module Requirement DL Effect TA Effect
Starbase Factory 0 Planet production/research +3% +5%
Adv. Starbase Factory Xeno Industrial Theory 0 Starbase Factory Planet production/research +5% +4%
Massive Scaling Center Xeno Factory Construction 0 Adv. Starbase Factory Planet production/research +7% +4%
Smart Drones Advanced Computing 0 Massive Scaling Center Planet production/research +10% +4%
Interstellar Collectors Manufacturing Centers 0 Smart Drones Planet production/research +10%
Orbital Replicators Industrial Sector 0 Interstellar Collectors Planet production/research +15%
Trading Post Trade 0 Trading income + 10%
Advanced Trading Post Advanced Trade 0 Trading Post Trading income + 20%
Trade Center Master Trade 0 Advanced Trading Post Trading income + 30%

Influence ModulesEdit

These may be added to Influence starbases. They enhance the influence generated by the starbase.

Upgrade Name Tech DL Cost Module Requirement DL Effect
Diplomatic Outpost 0 Influence +5%
Foreign Relations Center Universal Translator 100 Diplomatic Outpost Influence +7%
Interstellar Embassy Diplomatic Relations 200 Foreign Relations Center Influence +10%
Galactic Mall 250 Foreign Relations Center Influence +10%
Xeno Concert Hall Extreme Entertainment 250 Galactic Mall Influence +15%
Galactic Forum Advanced Diplomacy 300 Interstellar Embassy Influence +15%
Interstellar Consortium Xeno Business 0 Interstellar Embassy Influence +20%
Franchise Center Cultural Domination 100 Interstellar Consortium Influence +25%
Supreme Forum Expert Diplomacy 300 Galactic Forum Influence +25%
Franchise Headquarters Historical Assimilation 200  Franchise Center Influence +30%
Cultural Maximization Center Xeno Cultural Trends 200 Franchise Headquarters Influence +50%
Insurrection Coordinator Cultural Insurrection 200 Cultural Maximization Center Influence +75%
Cultural Conquest Center Cultural Conquest 300 Insurrection Coordinator Influence +100%

Mining ModulesEdit

These may be added to Mining starbases. They enhance the return of the mined resource.

Upgrade Name Tech Cost Module Requirement DL Effect TA Effect
Mining Barracks 0 Resource gain +2 % Resource gain +4 %
Mining Center Xeno Engineering 0 Mining Barracks Resource gain +3 % Resource gain +5 %
Mining Headquarters Xeno Industrial Theory 0 Mining Center Resource gain +5 % Resource gain +5 %
Resource Excavation Xeno Factory Construction 0 Mining Headquarters Resource gain +7 % Resource gain +5 %
Extraction Center Manufacturing Centers 0 Resource Excavation Resource gain +10 %
Extraction Complex Manufacturing Centers 0 Extraction Center Resource gain +12 %
Resource Sector Industrial Sector 0 Extraction Complex Resource gain +15 %

Military ModulesEdit

These may be added to Military starbases. They enhance the attack, defense, and speed of ships in the area of effect.

Upgrade Name Tech Cost Module Requirement Effect
Protection Fields Starship Defenses 100 Battle Stations Ship Shields, Point Defense, Armor defense +1
Beam Intercepter Starbase Defenses 0 Battle Stations Ship Shields defense +2
Energy Grid Starbase Defenses 0 Ship Armor defense +2
Missile Defender Starbase Defenses 0 Ship Point Defense defense +2
Fighter Drones Space Weapons 300 Battle Stations Ship Beam Weapon attack +1
Beam Multiplier Field Starbase Mobilization 300 Beam Intercepter Ship Beam Weapon attack +1
Beam Multiplier Field III Starbase Projection 400 Beam Multiplier Field Ship Beam Weapon attack +2
Beam Multiplier Field IV Superior Starbase Defense Systems 500 Beam Multiplier Field III Ship Beam Weapon attack +3
Beam Multiplier Field V Starbase Conquest Strategy 500 Beam Multiplier Field IV Ship Beam Weapon attack +4
Omega Cannon Starbase Mobilization 300 Energy Grid Ship Mass Driver attack +1
Omega Cannon III Starbase Projection 400 Omega Cannon Ship Mass Driver attack +2
Omega Cannon IV Superior Starbase Defense Systems 500 Omega Cannon III Ship Mass Driver attack +3
Omega Cannon V Starbase Conquest Strategy 500 Omega Cannon IV Ship Mass Driver attack +4
Missile Bloom Starbase Mobilization 300 Missile Defender Ship Missile attack +1
Missile Bloom III Starbase Projection 400 Missile Bloom Ship Missile attack +2
Missile Bloom IV Superior Starbase Defense Systems 500 Missile Bloom III Ship Missile attack +3
Missile Bloom V Starbase Conquest Strategy 500 Missile Bloom IV Ship Missile attack +4
Sniper Turrets MiniBalls 300 Ship Mass Driver attack +1
Graviton Snipers Graviton Driver IV 400 Sniper Turrets Ship Mass Driver attack +2
Neutrino Snipers Neutrino Bullets 500 Graviton Snipers Ship Mass Driver attack +4
Laser Equalizer Laser 300 Ship Beam Weapon attack +1
Hyper-Phasors Phasors 400 Plasma Equalizer Ship Beam Weapon attack +2
Focused Disruptors Disruptors 500 Hyper-Phasors Ship Beam Weapon attack +4
Missile Launchpads Missile Weapon Theory 300 Ship Missile attack +1
Sub-Space Warheads Photonic Torpedo II 400 Missile Launchpads Ship Missile attack +2
Blackhole Torpedo Blackhole Eruptor 500 Sub-Space Warheads Ship Missile attack +4
Stellar Wake Warp Drive 0 Ship Speed +1
Inverse Tractor Beam Warp Drive IV 0 Ship Speed +1
Interdiction Beam HyperWarp 0 Enemy ship Speed -1

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