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Colonies are the basic economic unit of Galactic Civilizations III, comparable to a city in a traditional land-based 4X strategy title.
Basics[edit | edit source]
Each colony is a single planet. It has a certain number of tiles available to build improvements on, represented by its Class rating. It may have a special bonus associated with it, like a Shielded World's additional resistance to invasion. It may have one or more Trade Resources present. Individual tiles may have tile bonuses that increase the level of improvements built on and adjacent to them. Each colony can sponsor one shipyard to construct starships, and simultaneously build one social improvement or project.
Planetary Class[edit | edit source]
Every planet is assigned a class, from 0 (uninhabitable) to 26 (paradise!). The number designates how many tiles are available to house improvements.
Planet Surface[edit | edit source]
The majority of the colony screen is taken up by the map of the planet's surface. This map is overlaid with a hexagonal tile grid. Each tile represents an area where an improvement can be built. Gain access to more improvements or more tiles on the planet's surface through research projects in the tech tree.
Planet Features and Tile Bonuses[edit | edit source]
Some tiles have special features that give bonuses to improvements built on them. These are denoted in-game by a small colored graphic icon at the bottom of that tile. Mousing over the icons found in these tiles will provide a brief description of the type of feature present and give a suggestion as to what types of improvements would benefit the most by being built there. In general, the colors of the icons will also provide at-a-glance information as to the benefit bestowed (orange boosts manufacturing, gold boosts income, dark blue boosts research, etc.). A more specific listing is provided below.
Natural Wonder - Boosts Influence
Ancient Ruin - Boosts Research
Geothermal Springs - Boosts Manufacturing
Cataract - Boosts Manufacturing, and to a lesser extent, Research
Planetfall - Boosts Influence, and to a lesser extent, Wealth
Ancient Wonder - Boosts Influence
Precious Metals - Boosts Wealth, and to a lesser extent, Research
Rare Stones - Boosts Wealth
Mineral Rich - Boosts Research
Rare Earth - Boosts Research, and to a lesser extent, Manufacturing
Haven - Boosts Approval
Caverns - Boosts Military (planetary defense improvements)
Paradise - Boosts Approval
Wasteland - Boosts Manufacturing
Improvements[edit | edit source]
Improvements are buildings that increase the output or defense of the colony in various ways. Some, like Factories, multiply the manufacturing output by a percentage. Others, like Meditation Centers, don't increase output directly but boost Approval, which then increases growth and thereby productivity. Military improvements like the Champions Temple make the planet harder to conquer by increasing its resistance to invasion.
Special Improvements[edit | edit source]
Some improvements require a galactic resource to construct, and consume that resource until they're demolished. They tend to be extremely strong, though, like the Durantium Refinery which gives a +2 manufacturing adjacency bonus as well as providing one raw unit of manufacturing itself.
Wondrous Improvements[edit | edit source]
One-per-empire improvements like the Hyperion Shipyard are expensive, but give unique bonuses like giving all ships created by the shipyard this planet sponsors a boost to hit points.
Capitals[edit | edit source]
Colony capitals cannot be moved or demolished, but provide a +1 adjacency bonus to all types of improvements.
Terraforming[edit | edit source]
Certain technologies allow special Terraforming improvements. These potentially allow you to unlock new tiles for development, assuming there is land available for such development, effectively increasing the planet's class.
Invasion Damage[edit | edit source]
Tiles and improvements can be destroyed during planetary invasions, whether or not the invasion is successful. The likelihood of this happening depends on the invasion tactics used by the aggressor.
Planet Coordinate System[edit | edit source]
When cheats are activated you may place resources on a planet that you own. The image below depicts the coordinate system used to specify location.