Here is the full list of all 21 CARRION achievements. It takes around 5-6 hours to unlock all of the achievements on Windows.
Carry on, my wayward son
Breach the Bunker
Gain access to 1 Containment Unit
Breach the Armored Warfare Facility
Breach the Nuclear Power Plant
Relive the Final Flashback Sequence
Breach the Bridge of the Leviathan Reef Base
Breach the Relith Science HQ
Breach the Leviathan Reef Base
Breach the Botanical Gardens
Relive the Second Flashback Sequence
Breach the Hazardous Waste Landfill
Breach the Uranium Mines
Relive the First Flashback Sequence
Breach the Military Junkyard
Breach the BSL-4 Research Ward
Harvest your first ripe juicy head
Nourish yourself
Gain access to 3 Containment Units
Gain access to 6 Containment Units
Gain access to all 9 Containment Units