Instead of making levels, or trying to balance the difficulty too much, I've exposed all the settings so you can make your own levels. Next up is to create a "normal" and "pro" preset (essentially 2 hand-picked levels) and maybe a way to save/load settings (copy/paste a string) so people can share levels to compete for a high score

Showing construction and ammo with models instead of UI

Aaaaaaaaaaaaaaand posted: https://itch.io/jam/my-first-game-jam-winter-2020/rate/559868

OK, so it turns out this little box was ticked and it wasn't downloadable, i've unticked it :)

GL;HF