This is pretty cool...
I like the make-your-own-level thing the best. Also, I wasn't really around when the atari was around (and I was really young when the nintendo was out though I do have my own) but this reminds me of a few of the atari games I have played, or arcade games, whatever. It mainly reminds me of worms (the level editor), an atari game that had to do with gravity and what not, and also asteroids.
It might be funny to some people when the little ship blows up, but other then that, not much, if any, humor that I can think of off the top of my head. Kind of original I guess. I like the music that goes with it. :D