An interesting idea! Really [img]smile.gif[/img] I am doing a similar thing with the mining results in the Stout Mines but why not to extend the gem game to the whole game. At least, opening of most of chests gets some reason. Also, Stout Mines become attractive somehow
I must try it next game pass through [img]smile.gif[/img] I would add one additional rule:
After Reset Adventures, you must sell all your gems so that your "gem score" reflects your achievments in a single game pass through.