Not bad but gets a little old...
-First, to all easily offended people: i've seen games where you kill people with chaisaws and guns. I do not think those games were pro-psychotics.. So i don't think anyone should be so shocked about this.
- About the game: i think it was nicely done but gets repetitive. Add some variety, some enemies to shoot, power-ups, obstacles...
- Add instructions. Even if the game is easy to figure out, it is a necessity.
- Still it was kind of fun to fly in those cities.