Dying on the spikes seems to soft-lock the game. The movement also feels like you jacked up the movement speed to 10 which may not be the most responsive controls. It makes air strafing possible and very sensitive.
I wasn’t sure whether the goal was to kill all the enemies or reach a goal. I got stuck on the cone platform because the cubes above it don’t stick out enough to stand on, making the rest of the level unreachable. The enemies stopped firing after I died a few times.
I have a graphics card warning when I launch the game, and I’m not sure if it’s related, but the only sound the game makes is a low rattle (it’s digital, not my computer). Not sure if there’s music, and if there is, that might be an unintended side effect.
Overall I like the idea of a reflect mechanic, and I think the concept is good. You could definitely make something good with some more time to flesh it out.