pretty good
was this your first flash? if so BRAVO! mine was a frame by frame of some stick figures flying around and nobody actually dieing because i couldn't animate it.
it was kinda cool, you should have split the guys arm into 2 parts when he was walking though. the graphics were decent but It seemed kinda choppy. maybe in your next one try 24 fps. or just dauble whatever ur using now and use the same timing just multiply it by 2. If you need a voice acter i would be willing to give it a shot, drop me an e-mail if interested. if my voice doesn't fit the character then you don't have to use it.