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