Thanks to the help from GoToLoop, I have my game *ALMOST* working ^^. But I am having trouble setting up a scoring system for the game. I also need to make the game "end" after 20 seconds. Can anyone help me? Its very urgent! Here's the link to the code because the game has many images

https://www.dropbox.com/sh/9eevk8uubk3phod/UUevkPu71W

its the Shooting_game_v2 zip file

please please help!!