Here is the full list of all 15 Obduction achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Returned to Earth.
Left the nest.
Destroyed the Bleeder in Hunrath.
Soria connected to the Heart.
Viewed Earth from Soria.
Maray connected to the Heart.
Thanks to all of our backers!
Approached an active Mofang WMD.
Kaptar connected to the Heart.
Destroyed the Box of Infinite Complexity.
Hunrath connected to the Heart.
Checked in with CW after turning on the power.
Redirected the water in Hunrath.
Viewed an Easter Egg.
Found Farley's pod in the Silo.