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