Thanks for the bug report! This appears to only happen in Firefox, no doubt related to their broken Flash game save functionality. I'll see if there's anything I can do about it, but for now I would suggest using other browsers to play Flash games in.
 "Wonderputt"){kind=icon}
 "Idle Breakout"){kind=icon}
 "3D Logic 2: Stronghold of Sage"){kind=icon}
Thanks for the bug report! This appears to only happen in Firefox, no doubt related to their broken Flash game save functionality. I'll see if there's anything I can do about it, but for now I would suggest using other browsers to play Flash games in.