World of Warcraft is an online role-playing game.
Massively multiplayer online role-playing games ( MMORPGs ) are a combination of role-playing video games and massively multiplayer online games in which a very large number of players interact with one another within a virtual world . World of Warcraft . The sixth expansion set , Legion , was released on August 30 , 2016 . World of Warcraft : Legion is the sixth expansion set in the massively multiplayer online role-playing game ( MMORPG ) World of Warcraft , following Warlords of Draenor .