I moved this thread to Installing Flash Player as it doesn't pertain to Flash Professional (the authoring software), but to Flash Player (different).
If you can view other Flash content successfully and only these games are failing to load, the games are at fault. As long as you're installing the latest Flash Player and you see a loading bar (created by the game), Flash Player is operating. The game itself is probably temporarily having issues.
For example, if this game works for you, you know your install of Flash Player is perfectly fine: