Pretty neat. I like the atmosphere and the controls and such seem good.
I know you aren't planning on further development so I won't go too far into it but I did get one major bug (or i didn't understand what was happening).
If I died during during the "gauntlet" of enemies along the bottom of the map, it would take me to a save point I had never been to. Actually I had never found a save point which maybe is the problem.
I didn't get very far but I did make a video: