The Episode 2 - Anthology Add-on for The Lions Song: Episode 1 - Silence has 21 achievements.
Paint Alphonse as he likes to be seen.
Repeat Freud's dream
Paint Alphonse's true self.
Paint Moritz' gentle side
Find all the references to Wilma
Get to know both gentlemen in order to paint them
Look through the sketches.
Paint all layers that correspond with Franz' personality and recognize them
You didn't manage to paint any of Franz' layers
You managed to partially paint Franz' layers
Finish all achievements in Episode 2