World of Warcraft is a massively multiplayer online role-playing game (MMORPG) developed and published by Blizzard Entertainment. It is set in the fantasy world of Azeroth and players create their own characters, selecting from a variety of races and classes, to embark on quests, explore the vast world, and interact with other players. The game features a complex leveling system, dungeons and raids, player-versus-player combat, and a rich lore filled with a diverse cast of characters and civilizations. World of Warcraft has been a defining game in the MMORPG genre and has maintained its popularity since its initial release in 2004 with numerous expansions released over the years, adding new content and features to the game.