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