Very clever use of the theme, and I really like the art. The music is good, and the sound effects are satisfying. I really enjoyed the mechanic, and each gun had its own unique feel. The AI did seem a bit buggy (they would still follow my x position while above me and would sometimes get stuck on the ceiling after hitting me). I would also recommend compiling the game as an exe, as installing it is a bit of a hassle. Great work overall!

neat it would be cool if you could jump high enough also nice to have diffrent weapons