Scratch

Alfonso`s Rugby game is really good, including the sound which makes it seem as though you are at the game!
I embedded it in a page on my website and it had unexpected consequences.
The sound starts playing as soon as the page loads.
I have downloaded the game and looked at the code and all seems to be well.
None of the sounds are supposed to start until the green flag is clicked.
I just tried searching the Scratch site for the game and it did the same when loading.
I also noticed that the game time was running without the flag being clicked
Does anyone know why this might happen?