Here is the full list of all 10 The Looker achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Find all audio recordings.
Score 600 or higher in a certain challenge.
Healed and ready to execute some puzzles.
Solve a puzzle in real life.
Complete the environmental puzzle.
Why did you do that?
You have learned the ways of the SNéK.
Solved all pages of the Great Book.
Solve the wire puzzle.
Ahh! Scary noise! No!