To play the game in a browser, you will have to change your Flash Player settings to include the folder the game is in to your trusted folder locations.
To do this, 
1) Open the Flash Player Global Settings. To do this,
   On Windows: Go to Control Panel -> Flash Player
    Or, if you are using FireFox, right-click on your Flash movie and choose Global Settings.
   On Mac: rightclick on your Flash movie and choose Global Settings.
2) open the Advanced tab
3) Under "Developer Tools", Click the "Trusted Location Tools" button
4) Click "Add"
5) Paste the path to the game's folder or click "Add Folder" and browse to select the game's folder.

This game may not load in some browsers; it is recommended to run it in Mozilla Firefox.