Here is the full list of all 23 Observer: System Redux achievements.
Find all nanophage patient cards in a single playthrough.
Find and listen to all patient interview recordings.
Find all roses and discover the final resting place.
Find all RC cars and recall a memory of Adam.
Complete all With Fire And Sword: Spiders arcade games
Witness the lost moment
Find out the true reason behind the hanged man's death
Find out the lovers fate
Survive Adam’s trapware.
Earn 3000 points during a single trapware run.
Overdose on synchronization pills.
Embrace Adam.
Reject Adam.
Finish the game without dying.
Interrogate Amir’s clients.
Find the source of the distress call
Decide the fate of the organ farm.
Decrypt Adam’s figurine.
Complete your first Dream Eater sequence.
Interrogate 20 tenants.
Find 10 nanophage patient cards.
Analyze 100 objects.
Decide the fate of the merging minds.