A play massively multiplayer online role (in English, massively multiplayer online role-playing game  : MMORPG 1 ) is a video game genre 2 combining role playing and massively multiplayer online game , allowing a large number of people To interact simultaneously in a virtual world . This type of game, because of the persistence of the environment and the involvement it requires, creates strong social relationships between players, with the emergence of new phenomena, such as the virtual communities of players and the risks of dependence Playful .

The player is represented by an avatar , a character he creates and advances in a world virtual inspired fantasy of science fiction or superhero , rich in adventures. In doing so, it interacts with the environment controlled by the program and with other players.

MMORPGs are a major source of profits. In 2006 , the global market for massively multiplayer online games , represented more than 13 million 3 paid subscriptions and a turnover of 2.5 billion USD.