Here is the full list of all 11 Before Your Eyes achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Live both sides of a big decision.
Complete the game.
Never show your anger.
Complete the Constellation.
Ignore distractions from piano.
Take all the notes in class.
Choose Greece.
Choose Egypt.
Recalibrate 10 Times.
Blink 2000 times.
Provoke the Ferryman's ire.