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.
Frame someone.
Corner someone.
Dispense deliverance.
Decrease their numbers.
Cause a stir.
Connect two loose ends.
Draw a full triangle.
Find what is hidden from sight.
Retrieve with care.
Inform yourself well.
Trust, but verify.
Drain the swamp.
Complete April 15.
Turn one on the other.
Complete April 14.
Prevent a provocation.
Make someone go to the wrong place.
Complete April 13.
Fulfill the prophecy.