Full list of all 86 The Lions Song: Episode 1 - Silence achievements.
The base game contains 29 achievements, and there are 3 DLC packs containing 57 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
Manage to get back into the Radius
Make sure Rauch is alright
Get the support of other mathematicians
Meet Leos in the Street as Emil
Meet Leos in the Street as Emma
Order the wrong sweets for Nenner
Tell Leos about Nikol's governess
Allow Markert to paint you
Change Zahler's perspective
Prove that there are many possible states and everything is in flux
Finish all achievements in Episode 3
Inspire Wittgenstein
Finish Episode 3
Look into all compartments
Try to acquire beer as Otto
Distract Wilma
Try to convince the policeman that you saw the error in your ways
Sweet-talk Frieda into telling you her name
Keep ordering wine
Check all of Theo's scientific notes
Check in on Rauch
Listen in on Nikic and Wurm
Unlock all connections in the gallery
Use the "decide again" feature
Finish Episode 4
Finish all achievements in Episode 4
Finish All Episodes
Finish all achievements in The Lion's Song