Excellent first game!
I like zombies, but, of course, the content is rather generic so I only gave an 8 for style. Sound got an 8 because the gunshot levels were too high for my taste, and there wasn't a lot of humor so it got an 8 too. Still, that's a heck of a good score for a first submission. My only complaints were that it was a bit easy and got a little monotonous. On the last level I had all the weapons and I was just patiently waiting to get some good hits in on the Davy Crockett-style zombies while my life went down far too slowly to take note of. Still, shows real promise!