Here is the full list of all 15 Obduction achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Approached an active Mofang WMD.
Viewed an Easter Egg.
Left the nest.
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Returned to Earth.
Destroyed the Bleeder in Hunrath.
Viewed Earth from Soria.
Soria connected to the Heart.
Maray connected to the Heart.
Found Farley's pod in the Silo.
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.