There used to be a game along those lines, back in '92 on the Amiga, called "Global Effect". I doubt it got the physical foundations, though my hazy memory is t

There used to be a game along those lines, back in '92 on the Amiga, called "Global Effect". I doubt it got the physical foundations, though my hazy memory is the concepts were there simplistically. I'm surprised there hasn't been more in this genre. More info and a download at: http://www.old-games.com/download/413/global-effect http://www.old-games.com/download/413/global-effect