S: UNICEF – http://www.unicef.org.au/Discover/News/January-2012/World-Education-Games.aspx (last access: 6 march 2013); STANFORD – http://news.stanford.edu/news/2013/march/games-education-tool-030113.html (last access: 3 September 2014).
N: Educational games are games explicitly designed with educational purposes, or which have incidental or secondary educational value. All types of games may be used in an educational environment. Educational games are games that are designed to help people to learn about certain subjects, expand concepts, reinforce development, understand an historical event or culture, or assist them in learning a skill as they play. Game types include board, card, and video games.
S: http://en.wikipedia.org/wiki/Educational_game (last access: 29 July 2015)