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