swfobject - SWFObject is an easy-to-use and standards-friendly method to embed Flash content, which utilizes one small…
Each version of Flash Player includes important security updates, so downgrading to an older version is not a good idea. You always want to run the latest version of Flash Player.
My recommendation would be to reach out to the game developer. If they're confused or need help in resolving this, they're more than welcome to reach out to me directly via the Forums and I'll give them a hand.