Here is the full list of all 27 Orwell: Keeping an Eye On You achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Set Thought free.
Find out who is there.
Complete Episode Five.
End a career.
Choose the simple answer.
Uncover the truth.
Reunite a couple.
Complete Episode Four.
Pick up what was left behind.
Don't bother the law.
Complete Episode Three.
Repay the debt.
Complete Episode Two.
Know all favorites.
Avert catastrophe.
Complete Episode One.
Show the rebellious side.
See no crime in buying a bottle.
Show the peaceful side.
Allow catastrophe.
Don't read minds.
Administer justice.
Forgive a crime.
Keep quiet about the intention.
Make an unlawful arrest.
Win the war.
Make Thought crimes.