more information on gamification
Gamficiation is using game mechanics (badges, quests, achievements, levelling up, etc.) to enhance participant engagement. Here are some links to tell you more about gamification.
http://www.cunniman.net/?p=1206 (badges in school)
http://www.youtube.com/watch?v=5gU3FjxY2uQ&feature=youtu.be (open badges transforming education)
http://zite.to/16FasTi (gamification info for teachers)
http://www.youtube.com/watch?v=5jHlVcqCibw (gamification for a cause–social justice)