Wow, I really like this concept! I initially thought being able to float midair would trivialize the movement, but it was still challenging and engaging. The boss design is really good too (although I did feel like they had a bit too much health). I didn't think reloading guns was really necessary as it just slowed down the pacing and didn't solve any design problems as far as I can tell. Some of the gun sound effects were a bit weak too (they would benefit from a bit more low-end "thump"). I *really* like how the music ramps up as you whittle down the boss's health, dynamic soundtracks are the bomb :D