I played through the entirety of the first Layers of Fear game, and I have to say, I love it! The immersive story, the atmosphere, everything. Yes it is essentially a walking simulator, but it's story and atmosphere make it so that it isn't boring. There are things to collect that adds to the story, and depending on what you collect and how much, you could get 1 of 3 different endings, even the default ending is a loop ending, where it gives you the chance to play again and get a different ending.

The story of a tortured artist trapped inside his old home, having to complete his magnum opus in order to get out is amazing! 

I won't post much more on it, as it is best you experience it for yourself, but here's the blurb from the Steam store page:

You take another drink as the canvas looms in front of you. A light flickers dimly in the corner. You’ve created countless pieces of art, but never anything like…this. Why haven’t you done this before? It seems so obvious in retrospect. Your friends, critics, business partners—soon, they’ll all see. But something’s still missing…

You look up, startled. That melody… Was that a piano? It sounded just like her… But, no—that would be impossible. She’s gone. They’re all gone.
Have to focus. How long has it taken to get to this point? Too long, but it doesn’t matter. There will be no more distractions. It’s almost finished. You can feel it. Your creation. Your Magnum Opus.

Dare you help paint a true Masterpiece of Fear? Layers of Fear is a first-person psychedelic horror game with a heavy focus on story and exploration. Delve deep into the mind of an insane painter and discover the secret of his madness, as you walk through a vast and constantly changing Victorian-era mansion. Uncover the visions, fears and horrors that entwine the painter and finish the masterpiece he has strived so long to create.