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