World of Warcraft, abbreviated WoW, is a computer role-playing game (MMORPG) of the US game developer Blizzard Entertainment via the Internet. It was published in 2004 for the first time, in Europe it appeared in 2005, later in other countries, among other things in the People s Republic of China. World of Warcraft received 2009 the Guinness World Record for the most popular multiplayer online role-playing game. By July 2012, the game generated over ten billion US dollar sales and made it the most successful computer game. To play World of Warcraft, a monthly fee must be paid. There are also a free Starter Edition associated with restrictions. Since the relocation of the basic version, the Burning Crusade (2007), Wrath of the Lich King (2008), Cataclysm (2010), Mistts of Pandaria (2012), Warlords of Draenor (2014), Legion (2016), Battle For Azeroth (2018) and Shadowlands (2020) published. In 2019, a re-publication of the basic version and 2021 published a re-publication of The Burning ...