Nice variant on one-finger death punch. I loved the music. The music visualizer was cool.
Nice touch having a restart button with the option to skip the intro.
I enjoyed the experience, so I'd like to see you develop it a little further.
There was a touch of ludo-narrative dissonance. It didn't feel like I was hunting anyone down, because they were coming to me. Maybe if there were waves of enemies inter-cut with running sequences it would match the story better. Or maybe I misunderstood the story.
Taking hits needs a little recoil animation or flash. You'll see what I mean if you hit play but don't touch any buttons.
Well done as a solo dev! I appreciate that it's not just asset packs.