Here is the full list of all 19 >observer_ achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Embrace Adam.
Find and listen to all patient interview recordings.
Find all roses and discover the final resting place.
Find all nanophage patient cards in a single playthrough.
Earn 3000 points during a single trapware run.
Finish the game without dying.
Reject Adam.
Find all RC cars and recall a memory of Adam.
Complete all With Fire And Sword: Spiders arcade games
Analyze 100 objects.
Survive Adam’s trapware.
Interrogate 20 tenants.
Find 10 nanophage patient cards.
Decrypt Adam’s figurine.
Decide the fate of the organ farm.
Decide the fate of the merging minds.
Interrogate Amir’s clients.
Overdose on synchronization pills.
Complete your first Dream Eater sequence.