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