Here is the full list of all 13 Empathy: Path of Whispers achievements.
See things through to the end
Evade the searchlights
Leave Chernosk
Find out what happened to Joyce
Evade the water jets in sewers
Spin the wooden carousel
Jump off the bridge, because you can
Get acquainted with the E-15P
Find every optional memento
Find every document
Find two picnic spots
Try leaving Chernosk on foot
Do not learn from past mistakes