I downloaded the latest chrome and tested it and it works, so the problem could be non-updated chrome browers, flash player, or perhaps chrome on pc is different than chrome on mac. I don't think there's anything I can fix on my end.
Daisukamaru: Weird thing is I think I did see your 10 billion score when I was testing the game and it submitted score, but I couldn't see it when I refreshed. I read that kongregate might have problems with reporting scores above 2.1 bil, but I don't know how people have higher than that in the high scores.
I think firefox's new version with plugin-container.exe has some problems, I also get control lag sometimes and flash actually crashes on me now sometimes
I did put JTR, the creator of death worm, in the credits. I just updated the game to credit him in the preloader also, I hope that makes it more clear.
 "Stick Figure Badminton 3")
 "Effing Worms")