Colony structures are the basis of an empire, improving various areas of their functioning. All structures are categorized first by the area of a colony's functioning they affect, then by the type of bonus:
- Worker bonuses apply to each tile occupied by a worker.
- Flat bonuses apply regardless of worker assignments.
- Global bonuses apply to the entire output of the planet.
Research
Worker bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Advanced data center |  |
110 | 3 | +1 research point per tile | ||
| Astro university |  |
200 | 4 | +3 Research per tile |
Flat bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Biospheres |  |
40 | 1 | +1 Food and Research | ||
| Research laboratory |  |
40 | 1 | +2 Research | ||
| Asteroid laboratory |  |
40 | 2 | Asteroid field | +2 Research | |
| Radiotelescopic observatory |  |
65 | 1 | Biome: Radiated | +4 Research | NO SUCH STRUCTURE |
| Moon laboratory |  |
60 | 1 | Moon | +4 Research | |
| Autolab |  |
240 | 4 | +10 Research Replaces research laboratory |
||
| Planetary supercomputer |  |
280 | 6 | +25 Research |
Global bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Deep sea cooling |  |
80 | 4 | Biome: Ocean, Terran, Gaia | +25% Research | |
| Galactic cybernet node |  |
260 | 10 | +100% Research | One per empire |
Food
Worker bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Soil enrichment facility |  |
110 | 3 | Biome: Any non-Radiated or non-Toxic | +1 Food per tile | |
| Subterranean farms |  |
200 | 4 | +2 Food +1 Food per worker |
Flat bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Biospheres | |
40 | 1 | +1 Food and Research | ||
| Hydroponic farm |  |
40 | 1 | +2 Food | ||
| Subterranean farms | |
200 | 4 | +2 Food +1 Food per worker |
||
| Fungal farms |  |
60 | 2 | Biome: Radiated, Toxic, Barren, Desert, Tundra | +2 Food | |
| Anaerobic colonies |  |
50 | 1 | Biome: Barren | +3 Food production |
Global bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Underground storage |  |
80 | 1 | Biome: Tundra | 15% of Food retained for population growth | |
| Weather controller |  |
200 | 4 | +25% Food production | ||
| Cloning center |  |
60 | 3 | 25% faster population growth | ||
| High orbit sonar |  |
80 | 1 | Biome: Ocean | +35% Food | |
| Matter converter |  |
150 | 2 | 50% of Food is retained when population grows |
Production
Worker bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Toxic condenser |  |
85 | 1 | +1 Production per tile | ||
| Neutron collider |  |
110 | 3 | +1 Production per tile | ||
| Robo-miners |  |
160 | 3 | +2 Production +1 Production per tile |
Flat bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Automated factory |  |
40 | 1 | +2 Production | ||
| Crust prospecting |  |
30 | 2 | Mineral richness: Ultra-poor or Poor | +2 Production | |
| Robo-miners | |
160 | 3 | +2 Production +1 Production per tile |
||
| Deep core mine |  |
220 | 5 | +2 Production | ||
| Solar kiln |  |
50 | 1 | Biome: Desert, Grassland | +4 Production |
Global bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Recyclotron |  |
140 | 4 | +30% Production per worker -15% Pollution |
Pollution
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Recyclotron | |
140 | 4 | +30% Production per worker -15% Pollution |
||
| Toxic processor | |
80 | 3 | Upgrades biome to Barren if Toxic -25% Pollution |
||
| Atmospheric renewer |  |
60 | 2 | -25% Pollution | ||
| Pollution processor |  |
120 | 3 | -50% Pollution Replaces atmospheric renewer |
||
| Core waste dump |  |
200 | 5 | -100% Pollution, replaces pollution processor |
Economy
Population bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Space port |  |
160 | 0 | +1 income per population unit +5 credit income |
||
| Colonial revenue services |  |
60 | 0 | +1 income per population unit | ||
| Planetary stock exchange |  |
220 | 0 | +2 income per population unit | One per system |
Flat bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Space port | |
160 | 0 | +1 income per population unit +5 credit income |
Global bonus
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Galactic currency exchange |  |
280 | 0 | +100% credit income | One per empire | |
| Geosynchronic warehouse |  |
110 | 3 | -20% buyout cost |
Military
Fleet management
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Star base |  |
120 | 1 | +1 Scanner Range +5 command points Enables Battleship construction |
||
| Battle station |  |
320 | 3 | Upgrades star base: +2 scanner range, +7 command points, repairs 20% of ship health per turn | ||
| Star fortress |  |
600 | 5 | +3 scanner range +10 command points Upgrades battlestation |
||
| Orbital shipyard |  |
80 | 2 | Moon | -20% ship costs | |
| Space elevator |  |
80 | 5 | -30% ship cost |
Planetary defenses
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Marine barracks |  |
60 | 1 | Generates 1 marine every 5 turns (used for planetary defense and troop transportation) | ||
| Missile base |  |
60 | 1 | Planet-based missile defenses | ||
| Fighter garrison |  |
140 | 2 | +10 Interceptors or Heavy Fighters | ||
| Armor barracks |  |
140 | 2 | Generates armored units for defense (1 per 10 turns, 2 at start) | ||
| Ground batteries |  |
200 | 2 | Planet-based Beam defenses | ||
| Space academy |  |
100 | 2 | Upgrades ground combat rating | ||
| Artemis system net |  |
700 | 5 | Deploys a defensive network of mines around the planet | ||
| Warp field interdictor |  |
300 | 3 | Slows down enemy ships |
Morale
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Capitol |  |
120 | 0 | Can only be built on the homeworld | +10 command points +30% Morale inside the system |
One per race |
| Government support facility |  |
40 | 1 | +15% Morale | ||
| Holo simulator |  |
120 | 2 | +15% Morale | ||
| Pleasure dome |  |
250 | 3 | +30% Morale |
Other
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Interplanetary administration |  |
160 | 3 | Enables Export | One per system | |
| Jump gate |  |
200 | 5 | Instant travel between two colonies with the jump gate | ||
| Spy center |  |
80 | 2 | Generates spies | One per empire | |
| Global DNA scanner | |
80 | 2 | Increased counter-espionage | ||
| Alien management center |  |
60 | 1 | +50% assimilation speed |
Biome modifications
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Toxic processor | |
80 | 3 | Upgrades biome to Barren if Toxic -25% Pollution |
||
| Planetary radiation shield |  |
80 | 1 | Upgrades biome to Barren if Radiated +15 Planet defense |
||
| Planetary flux shield |  |
170 | 3 | Upgrades biome to Barren if Radiated +35 Planet defense Replaces planetary radiation shield |
||
| Planetary barrier shield |  |
300 | 5 | Upgrades biome to Barren if Radiated +15 Planet defense Replaces planetary flux shield |
||
| Gravity generators |  |
100 | 3 | Gravity: Low or High | Eliminates Gravity penalties |
Victory
- All three structures need to be built to achieve victory
| Name | Icon | Cost | Upkeep | Requirement | Effect | Restriction |
|---|---|---|---|---|---|---|
| Scientific victory I |  |
400 | 0 | Enables Scientific Victory | One per empire | |
| Scientific victory II |  |
550 | 0 | Enables Scientific Victory | One per empire | |
| Scientific victory III |  |
700 | 0 | Enables Scientific Victory | One per empire |