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