know any good browsergames?
fragmede: This might be too niche to help but:
  http://play.typeracer.comAs far as 'hacker friendly' maybe you're thinking of something like tetrisapp?
  http://tetrisapp.appspot.com/static/howto.htmlThis isn't a browser game, but certainly could be and targets a less-targeted demographic:
  http://www.zachtronicsindustries.com/pivot/entry.php?id=40