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