Claim: Blizzard Entertainment made a multiplayer online RPG called World of Warcraft.

Massively multiplayer online role-playing games -LRB- MMORPGs -RRB- 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 -LRB- often in a fantasy world or science-fiction world -RRB- and takes control over many of that character 's actions . MMORPGs are distinguished from single-player or small multi-player online RPGs by the number of players able to interact together , and by the game 's persistent world -LRB- usually hosted by the game 's publisher -RRB- , which continues to exist and evolve while the player is offline and away from the game .   MMORPGs are played throughout the world . Worldwide revenues for MMORPGs exceeded half a billion dollars in 2005 , and Western revenues exceeded a billion dollars in 2006 . In 2008 , the spending on subscription MMORPGs by consumers in North American and Europe grew to $ 1.4 billion .  World of Warcraft , a popular MMORPG , has over 10 million subscribers as of November 2014 . World of Warcraft '' 's total revenue was $ 1.04 billion US dollars in 2014 . Star Wars : The Old Republic '' , released in 2011 , became the world 's ` Fastest-Growing MMOG Ever ' after gaining more than 1 million subscribers within the first three days of its launch .