i know theirs a way to do it, but don't know exactly how. what i do know though is that your pc saves a 'cookie' to your harddrive from the game to mark your progress. where these cookies are stored, and how to organize them for offline use, i have no idea.
What you need to do is go on to internet explorer and play the flash game you want to save. Then, you need to go to the top GO TOOLS-Internet Options... Then go to the internet options part and click Settings then View Files that's all I know I haven't got the rest to work quite yet but the game saving cookie if one exists will be available there. Good Luck! Please post if you figure it out, I wanna know 2.