It took me a while to get into this (partly because I couldn't redefine the keyboard controls) but then I could appreciate the atmosphere. I wish it explained more, though. I spent a long time adding coins to a machine over multiple runs, which never seemed to do anything. And since you always have to start a new game when you die, it can get a bit frustrating. But the music and room transitions were nice; the jumping up and down levels reminded me of Rolling Thunder. Mix that with Splatter House and Hellraiser or Nightbreed, and you have an idea of the general mood.
Oh, ran perfectly in Linux Mint.