Games For Change

Games for Change (also known as G4C) is a movement and community of practice dedicated to using computer and video games for social change. An individual video game may also be referred to as a "game for change" if it is produced by this community or shares its ideals. Games for Change is also the name for the nonprofit organization which is building the field for the new movement by providing support, visibility and shared resources to individuals and organizations using digital games for social change. (Computer Game)

http://en.wikipedia.org/wiki/Games_for_Change

http://www.gamesforchange.org/

see related Serious Games