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