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"This tool turns one colony into the regional military headquarters for a star system."

One of the more effective colony tools, the Fortress Colony tool doubles the size of a colony in both building and turret hotspots. Fortress Colonies suffer a reduction in spice production but make up for it with their ability to completely prevent raids into their home star system by any enemies besides 4- or 5-star empires and the Grox. It can also field a Strike Fleet.

If all the colonies on a planet are upgraded to Fortress Colony status then no attacks by any empire can be made into the star system. Space platforms appear in orbit around the planet. The planet can support a Heavy Fleet.

As a final benefit, the player receives 50% off repair and recharge rates.

Defence capabilites for Fortress Worlds Edit

This chart shows which enemies will raid the players and their allies' worlds in a certain radius of influence.

  • Star system: No raids
  • 0-3 parsecs: Grox only
  • 3.01-5 parsecs: Grox and 5-star empires
  • 5.01-8 parsecs: Grox, 4-star and 5-star empires
  • 8.01-12 parsecs: Grox, 3-, 4- and 5-star empires
  • 12.01-15 parsecs: Grox, 2-, 3-, 4- and 5-star empires
  • 15.01 parsecs plus: All empires

Requirements Edit

To purchase the Fortress Colony tool the player must have gained the Colonist 5 or Warmonger 4 badge.

This tool requires purchased ammunition

Locations Edit

Your Empire: §900,000

Warrior Empire: §450,000

Zealot Empire: §475,000

Scientist Empire: §425,000


Types of Colony
Mining ColonyResort ColonyArchive ColonyFortress ColonyPrison ColonySector CapitalGalactic Capital

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