Premise: 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 . As in all RPGs , the player assumes the role of a character ( often in a fantasy world or science-fiction world ) and takes control over many of that character 's actions . World of Warcraft ( WoW ) is a massively multiplayer online role-playing game ( MMORPG ) released in 2004 by Blizzard Entertainment . With a peak of 12 million subscriptions in October 2010 and Blizzard 's final report of 5.5 million subscriptions in October 2015 , World of Warcraft remains the world 's most-subscribed MMORPG , and holds the Guinness World Record for the most popular MMORPG by subscribers .
Hypothesis: There is an online massive multi-player game called World of Warcraft.
Label: ENTAILMENT