In patch 2.1, Blizzard responded to this by adding additional anti-spam mechanics including whisper throttling and the report spam function. Additionally, trial accounts are prevented from speaking in the public chat channels (although they may speak to players within range or whisper to other players that have first whispered to them), participating in in-game trades, and using the Auction House and the mail feature, among other limitations.
Players who purchase Warlords of Draenor Collector's or Digital Deluxe Edition receive an Orc themed card back in Hearthstone.[168] Heroes of the Storm players who reach level 20 receive the Grave Golem battle pet in World of Warcraft and after reaching level 100 in World of Warcraft receive an Ironside Dire Wolf mount in Heroes of the Storm.[169] Starting on March 11, 2016, players who level a character to 20 in WoW, which can be completed with the free starter edition, earn the alternate Paladin hero Lady Liadrin in Hearthstone.[170]

También existe aparentemente un orden cronológico entre una y otra marca. Warcraft apareció primero y puso los elementos históricos del universo de Warcraft en juego, estableciendo así las enemistades y relaciones entre razas y grupos, origen de todas las guerras.6​ World of Warcraft, por su parte, se ha dedicado a explotar las posibilidades del libre desenvolvimiento dentro del mundo establecido por los juegos anteriores, y podría decirse que se desarrolla en el tiempo presente de este mundo fantástico, después de Warcraft I, II y III. Esto es en su mayoría cierto; sin embargo, este orden cronológico no siempre se respeta, World of Warcraft también da nombre a algunos productos que regresan en la historia de Warcraft y la amplían, como la novela World of Warcraft: Rise of the Horde.
Las novelas y otros textos como Warcraft: Day of the Dragon, Arthas: Rise of the Lich King, Warcraft: Lord of the Clans, Warcraft: The Last Guardian, Warcraft: War of the Ancients Trilogy, WarCraft: Of Blood and Honor, (libro electrónico), The Warcraft Archive, Warcraft: The Sunwell Trilogy (manga), The Art of Warcraft y varias guías de estrategia de sus videojuegos.
World of Warcraft takes place in a 3D representation of the Warcraft universe that players can interact with through their characters. The game world initially consisted of the two continents in Azeroth: Kalimdor and the Eastern Kingdoms. Four separate expansions later added to the game's playable area the realms of Outland and Draenor and the continents of Northrend and Pandaria. As a player explores new locations, different routes and means of transportation become available. Players can access "flight masters" in newly discovered locations to fly to previously discovered locations in other parts of the world.[27] Players can also use boats, zeppelins, or portals to move from one continent to another. Although the game world remains relatively similar from day to day, seasonal events reflecting real world events, such as Halloween,[28] Christmas, Children's Week,[25] Easter, and Midsummer have been represented in the game world. Locations also have variable weather including, among other things, rain, snow, and dust storms.[27]
Blizzard routinely applies older expansions to all accounts as new expansions are released. On June 28, 2011, The Burning Crusade expansion was automatically applied to all previous Warcraft accounts at no cost. On September 19, 2012, the same thing was done with the Wrath of the Lich King expansion,[67] and on October 15, 2013 the Cataclysm expansion was also applied.[68] On October 15, 2014, Mists of Pandaria was applied to all accounts following the release of Warlords.[69] On May 17, 2016, Warlords of Draenor was applied to all accounts to coincide with the release of the Warcraft movie that gives a 30-day trial of the game.[70] All The Burning Crusade, Wrath of the Lich King, Cataclysm, Mists of Pandaria and Warlords of Draenor content is now effectively part of the original game, with all new World of Warcraft accounts automatically including these expansions upon creation.[67] As of the pre-patch release of Battle for Azeroth in July 2018, all expansions up to Legion are included in the base game.[71]
En julio de 2009 se anunció que la película sería dirigida por Sam Raimi, conocido director de la franquicia Spider-Man.67​ En octubre de 2009 se anunció que Robert Rodat, guionista de Saving Private Ryan, sería el guionista de la película.68​ Finalmente, por otros compromisos, Raimi se desligó del proyecto y le reemplazó Duncan Jones como director, cambiando el enfoque de la película para mostrar ambos puntos de vista, el de la Alianza y el de la Horda.69​ El rodaje inició en Vancouver a principios de 2014 y la película se estrenó en todo el mundo en junio de 2016, conociéndose en Latinoamérica con el nombre de Warcraft: El Origen.69​
In the United States, Canada, and Europe, Blizzard distributes World of Warcraft via retail software packages.[50] The software package includes 30 days of gameplay for no additional cost. To continue playing after the initial 30 days, additional play time must be purchased using a credit card or prepaid game card. The minimum gameplay duration that a player can purchase is 30 days using a credit card, or 60 using a prepaid game card. A player also has the option of purchasing three or six months of gameplay at once for a 6–15% discount.[51] In Australia, the United States, and many European countries, video game stores commonly stock the trial version of World of Warcraft in DVD form, which includes the game and 20 levels[52] of gameplay, after which the player would have to upgrade to a retail account by supplying a valid credit card, or purchasing a game card as well as a retail copy of the game.
As characters progress in World of Warcraft and take on some of the toughest challenges, many of the rewards received are bound to that character and cannot be traded, generating a market for the trading of accounts with well-equipped characters. The highest noted World of Warcraft account trade was for £5000 (€7000, US$9,900) in early September 2007. The high price was due to the character possessing items that at the time were owned by only a handful out of the millions of active players, due to the difficulty in acquiring them. However, Blizzard banned the account five days after the purchase.[142]

In May 2007, Blizzard filed a complaint against in Game Dollar LLC (trading as peons4hire) in U.S. federal court. In February 2008, the parties filed a consent decree in which in Game Dollar agreed to refrain from using any World of Warcraft chat or communication to advertise any business or sell any services relating to World of Warcraft.[140] In June 2007, World of Warcraft player Antonio Hernandez filed a class action lawsuit against IGE for interfering with the intended use of the game.[141]
El juego fue lanzado el 23 de noviembre de 2004, celebrando el décimo aniversario de la franquicia Warcraft. La primera expansión del juego The Burning Crusade fue lanzada el 16 de enero del 2007.7​ La segunda expansión, Wrath of the Lich King, fue lanzada el 13 de noviembre de 2008.8​ La tercera expansión, World of Warcraft: Cataclysm fue anunciada en el BlizzCon 2009 y fue lanzada el 7 de diciembre de 2010.9​10​ La cuarta expansión, World of Warcraft: Mists of Pandaria fue anunciada en el BlizzCon 2011 y fue lanzada el 25 de septiembre del 2012. La quinta expansión, World of Warcraft: Warlords of Draenor fue anunciada en el BlizzCon 2013 y fue lanzada el 13 de noviembre de 2014. La sexta expansión, World of Warcraft: Legion fue anunciada en el BlizzCon 2015 y fue lanzada el 30 de agosto de 2016. La séptima expansión, World of Warcraft: Battle for Azeroth fue anunciada en el BlizzCon 2017 y recientemente lanzada el 14 de agosto de 2018 siendo la primera expansión en la historia del juego en ser lanzada globalmente de forma simultánea. Con 7.7 millones de suscriptores,11​ World of Warcraft continúa siendo con diferencia el juego en línea por suscripción con el mayor registro de usuarios, manteniendo el récord Guinness para el MMORPG (Massive Multiplayer Online Rol Playing Game) más popular.12​
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