I like to read the page before starting a game, so I have a basic idea of what to expect in the game. I misses the start of the intro because the game auto started. I did reload the page, so I could read it all, but you may still want to let the player run the game when they are ready instead of auto starting it.
I'm not fully sure what I think of the art. It looked pretty cool, but it was also a little hard to follow. I eventually figured it out, but it was still sometimes hard to tell what were things I was suppose to zap and what was just background. I also found it difficult to read the text that sometimes popped up at the bottom of the screen.
The gameplay itself took me several tries before I figured it out. It took me a bit to figure out that I had how close I had to be to things in order to zap them. Once I did, I was able to do decently. This isn't really my type of game, but I can see it being fun for people who enjoy this style.