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.
Analyze 100 objects.
Find 10 nanophage patient cards.
Interrogate 20 tenants.
Decide the fate of the merging minds.
Complete your first Dream Eater sequence.
Survive Adam’s trapware.
Reject Adam.
Decide the fate of the organ farm.
Decrypt Adam’s figurine.
Finish the game without dying.
Interrogate Amir’s clients.
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.
Overdose on synchronization pills.
Earn 3000 points during a single trapware run.
Complete all With Fire And Sword: Spiders arcade games