You could try to make the windows movable. Just save the mouse offset coordinates whenever the mouse is pressed down on the object and then every frame set its location to the mouse coordinates plus the offset

The algorithm stores your score to the server only once when the game ends. This is done mainly due to performance: You can’t use multiple threads on the website conversion (to store the score simultaneously while running the game) and I once tried to sync online multiplayer using the userinfo class and that just lagged like crazy because the storing just takes too long. In terms of what happens if you refresh the side, if you didn’t finish it ain’t save your score. If you manage to reset the page during the storing phase, I suppose it will first finish storing the score and then reset, but I don’t exactly know