I downloaded a game but it's not working.....?

So everyone at my school is obsessed with Bubble Struggle so I downloaded the offline version from here http://www.bubble-struggle.com/ so that I could save it. I can play the game fine, and then when I get Game Over it takes me to the scoreboard, tells me I've got the high score and then asks me to enter my name. So I do that ok, the box goes as normal, but then my name doesn't come up on the leaderboard. I have waited for about 10 minutes but nothing happened.

I've tried downloading it several times, but it doesn't make any difference. I think I've been using an older version of Adobe Flash... not sure which one though. I then downloaded the new one (9). It has not made any difference.

My laptop runs on Windows Vista Premium but I have also tried the game on the desktop which runs on Windows XP Home.

Is there something I can do to fix this problem? Any suggestions would be greatly appreciated!