I liked the overblown style of all the neon colours and the little YouTube-y window, the letters going missing, etc.. The music was fun, there's a nice Dark Souls reference and a hidden text in the spawn room.
The gameplay itself confused me a bit, without jumping it seemed impossible (or, at the very least, really hard) to me to both stay alive and not touch a red floor. But maybe I'm just too bad at the game! (Is there jumping? I didn't find it in the help if it's there)
I overall liked it in terms of visuals and audio, but I think I would have had more fun if it was a level with a goal instead of just shooting (ha) for a high score! That said, I still had fun, and I liked the enemies (or friends) spinning at high speeds off into the distance.