Aero Frenzy

Aero Frenzy is an action game with flying and lots of shooting.  You are Aero and its up to you to fly through your air space and defend your city against the alien attack.  The alien army is coming from all directions and you must use your super gun to blow them out of the sky.  Kill lots of aliens and you can earn points to use to upgrade your weapons in the Aero Frenzy game.