Hmmm....
the idea itself was good, going around collecting stuff, but there were some things that could be improved. I understand that this is your first game, which is why I gave you an 8/10, but the gun could have been better. It looked like a hairdryer, and it would have been nice if it had its own sound effect and if the bullet traveled a bit faster.
Please redo this game, it has potential to be great if you just work harder. Good luck with the Replay button and the falling glitch.