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