Smiley Blast is a simple game, written in Python, where you shoot at smiley faces that bounce around on the screen.
This was my first project that wasn't a proof of concept for myself. I started it back in 2006 (or thereabouts), and spent about an hour on it every month or so. The code isn't much to speak of as far as...anything, and it still isn't complete, but I'm too bored of it to work on it.
Left click to fire your weapon, right click to change your weapon. It has high scores and a menu! whoa.