Lurk In The Dark: Prologue is a Japanese first person horror game playing as Marcus Brown, a detective investigating murder case in Babels Hill Top mining town. What he doesn't know is that he's entering a nightmare of his own.

https://store.steampowered.com/app/1094030/Lurk_in_the_Dark__Prologue/

You can play the initial episode called "The Guilty" for free with Steam and Proton. It is an incomplete demo as you have to purchase the DLC, so the ending will feel very incomplete. Prepare yourself for dark scenery with evil lurking around the corner and difficult clues to the puzzle.