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