Blizzard Entertainment made a multiplayer online RPG called World of Warcraft.
Blizzard went on to create several other video games , including Warcraft sequels , the Diablo series , the StarCraft series , and in 2004 the massively multiplayer online role-playing game World of Warcraft .	Diablo	Diablo (series)	StarCraft	StarCraft	Warcraft	Warcraft	massively multiplayer online role-playing game	massively multiplayer online role-playing game	World of Warcraft	World of Warcraft	multiplayer	multiplayer
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 .	players	player (game)	virtual world	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 .	RPGs	role-playing game	character	Player character	fantasy world	fantasy world	science-fiction	science-fiction
