Congrats on making your first game, and you did so with no bugs that I could find! It's quite ambitious of you to try to do so in 3 days, so big kudos to that.
It's fair to say there's more to be desired with the gameplay, though you've got a good base set up. My main gripe is with the music, since it can be grating to hear the same 3-4 second loops on repeat. I think you could find some CC licensed songs, or even make some chiptune tunes of your own, that could set the tone for your game as soon as you open it.
But yeah, just keep working at it and you'll be making games like a pro in no time! This is a great first entry, though. 😁
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Well, I'm glad to have taken the time to notice it then! Don't be so hard on yourself though, it was great that you at least made the effort to try. I was also ambitiously thinking I'd be able to make a whole song for our game, before conceding that I needed to take time to make art assets instead and finding some free-to-use songs instead. You just make due with what you can, that's the best advice I can give for you moving forward. :)
Keep working at it, and congrats again!