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