Thanks for your comment Wonk! I'm glad you enjoyed it!
I was originally planning to add a bunch of other things like power ups, "power-downs" and distractions to make the game a little harder/just to spice things up, but as I said above, this is my first Game Jam (not that I want to make up lame excuses for myself) so I ended up getting a little swamped and... Well, to keep a long story short, I feel that if I didn't release the game today I probably wouldn't end up releasing it at all.
Maybe I'll return to this project at a later date and/or re-purpose it for other things, and I'll be sure to take your feedback into account!
Please be sure to post your own Jam Project so that I can try it out and comment on it as well!