It's really cool to see the customization, especially in a jam game! Don't worry about the ship design, the A-Wing was always one of my Star Wars favourites (or even the top favourite), so I was actually happy to see something inspired by it. :D
Great work on the music, once more!
I think infinite continues are a really good choice for a longer jam game, since it allowed me to see everything despite playing badly, so I agree with your reasoning. :D A score penalty might be nicer indeed for people who actually want to go for high score, I think that's a good idea!
No worries on the controls, it was a minor thing - maybe I should have also tried it with a controller, I was playing on keyboard.
And also no worries on the textures! The flickering wasn't too bad overall, just something I thought I'd mention. I think it's kind of hard to strike a balance with the texture "density" in pixellated 3D from my (rather limited, as I've made mostly 2D games so far) experience!