needs work
you can't fire
needs work
you can't fire
I like the concept.
A big tank versus bigger spiders...I love it!
However, the playing field needs to be a wee bit larger for sure. The controls were hard to use (but at first that was partially my fault 'cuz my stupid self couldn't figure out which end of the tank was the front :p) and I think there were way too many spiders coming out of the woodworks a little too early. I'm not saying you need to compromise the game so that it's too easy, but slow it down a bit so it builds up to more aggression in later stages.
Also, the second time I played it, I auto-won because the exit was right next to me. Could be an actionscript error, but I'm no whiz at scripting so check with some other source on that one.
And keep on keepin' on.