Here is the full list of all 69 Halcyon 6: Starbase Commander achievements.
Successfully beat the game on Captain difficulty.
Successfully beat the game on Admiral difficulty.
Successfully beat the game on Grand Admiral difficulty.
Destroyed 100 pirate ships.
Lost 100 Green Shirts in ground combat.
Rescue 30 colonies from a Chruul fleet.
Did not ally with any of the pirate captains.
Made an alliance with the pirate Willa.
Made an alliance with the pirate Savak.
Successfully beat the game on Cadet difficulty.
Successfully beat the game on Lieutenant difficulty.
Successfully beat the game on Commander difficulty.
Killed the Mothership.
Made an enemy of the Yabblings.
Made an enemy of the Collective.
Made an enemy of the Xlar-Yanthu.
Made an enemy of the Korzan.
Made an ally of the Voraash.
Made an ally of the Yabblings.
Killed the Chruul Behemoth.
Made an enemy of the Voraash.
Built a tier five ship.
Made an ally of the Korzan.
Killed the Chruul Desolator.
Made an ally of the Xlar-Yanthu.
Killed the Chruul Crusher.
Lost 50 Green Shirts in ground combat.
Lost 10 officers in the line of duty.
Lost 25 Green Shirts in ground combat.
Built a tier four ship.
Made an ally of the Collective.
Killed the Chruul Marauder.
Successfully multiplied O'Brien.
Killed the Chruul Chimera.
Successfully cleared a Chruul spire.
Lost 10 Green Shirts in ground combat.
Decided to pay off the Yabbling debt for the next couple millennia.
Defeated the Chruul at New Terra.
Had an officer reach Level 10.
Destroyed 100 Chruul ships.
Rescue 15 colonies from a Chruul fleet.
Built a tier three ship.
Researched 20 techs.
Recruit 10 officers.
Built 20 Base Rooms.
Built a tier two ship.
Rescue 5 colonies from a Chruul fleet.
Destroyed 25 Chruul ships.
Have a ship reach rank four or higher.
Lose your first Green Shirt in ground combat.
Built 10 Base Rooms.
Defeated Admirax Zeb and his pirates.
Destroyed 25 pirate ships.
Had an officer reach Level 5.
Made an alliance with the pirate Khut.
Have a ship reach rank three.
Have a ship reach rank two.
Destroyed the Chruul Spawn Pit.
Have a ship reach rank one.
Researched 10 techs.
Destroyed 10 pirate ships.
Researched 5 techs.
Built 3 Base Rooms.
Tried to give the station to pirates...seriously?
Destroyed 10 Chruul ships.
Had an officer reach Level 2.
Finished the tutorial.
Built a base room.
Built a tier one ship.