There are various forms of death to be found in Who's Lila?
Physical death ?
Ego death ?
Author's death ?

The facial deformation mechanic might be underused from a gameplay perspective, however, it's absolutely not from a symbolic one, Who's Lila? is without a doubt one of the most focused games out there thematically speaking.

A game somewhat about social anxiety, probably about the free form of self, and, of course, about a dead girl wrapped in plastic.