Little repetetive
Some powerups would have been nice, and maybe some increasingly difficult enemies to fight. Also, they where moving a little too fast some of the time, so you dont have time to move and fire at them.
Also, to all those who commented on the subject matter instead of the game, what would happen if britneu spears suddenly died? would NG have to remove all the "Kill Britney" games? No, but that wouldnt stop people instantly changing their oppinions.