Another free game from GOG to add to your pile of shame.
Deckbuilding as you progress through the game (Slay The Spire like)
Meditate and choose personality traits that alter your gameplay profoundly
Explore a subconscious maze, full of cards and improvements that will help you defeat the monsters in your mind
Light RPG mechanics that allow you to customize your character stats & skills
Characters & places from your past that will tell facts & stories about mental health
Deep gameplay mechanics that put focus on replayability and gameplay diversity
Horrific monsters inspired by real-life phobias
Full credit to Billbil-kun.
Wasn't free for me when I clicked on the link. But it does sound like an interesting game.