Here is the full list of all 19 Orwell: Ignorance is Strength achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Find what is hidden from sight.
Fulfill the prophecy.
Trust, but verify.
Corner someone.
Make someone go to the wrong place.
Cause a stir.
Frame someone.
Turn one on the other.
Complete April 15.
Dispense deliverance.
Decrease their numbers.
Connect two loose ends.
Prevent a provocation.
Complete April 14.
Draw a full triangle.
Complete April 13.
Retrieve with care.
Inform yourself well.
Drain the swamp.