GAIKAI offers a fully managed cloud platform that delivers high-end video games and applications to all leading web browsers, operating systems, and devices, even in Facebook. http://www.gaikai.com/
A video-game version of Foursquare. It has elements of Mario Brothers, Sim City, and Monopoly.
gamification = great business! IActionable, a web based software platform, applies game mechanics to non-game applications. http://iactionable.com/