
World of Warcraft: Battle for Azeroth is the seventh expansion pack for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Legion. It was announced at BlizzCon on November 3, 2017. In contrast to previous expansions, which went live at midnight in each time zone, Battle for Azeroth had a simultaneous release for all regions, corresponding to midnight Central European Summer Time on August 14, 2018.

World of Warcraft: The Burning Crusade is the first expansion set for the MMORPG World of Warcraft. It was released on January 16, 2007 at local midnight in Europe and North America, selling nearly 2.4 million copies on release day alone and making it, at the time, the fastest-selling PC game released at that point. Approximately 3.53 million copies were sold in the first month of release, including 1.9 million in North America, nearly 1.6 million in Europe, and over 100,000 copies in Australasia.

World of Warcraft: Cataclysm is the third expansion set for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Wrath of the Lich King. It was officially announced at BlizzCon on August 21, 2009, although dataminers and researchers discovered details before it was officially announced by Blizzard. The expansion was officially released on December 7, 2010.

World of Warcraft: Legion is the sixth expansion set in the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Warlords of Draenor. It was announced on August 6, 2015 at Gamescom 2015. The expansion was released on August 30, 2016.

World of Warcraft: Mists of Pandaria is the fourth expansion set for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Cataclysm. It was announced on October 21, 2011, by Chris Metzen at BlizzCon 2011, and was released on September 25, 2012.

World of Warcraft: Shadowlands is the eighth expansion pack for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Battle for Azeroth. It was announced and made available for preorder at BlizzCon on November 1, 2019. Originally scheduled for release on October 27, 2020; its release was delayed until November 23, the sixteenth anniversary of the release of the original game.

World of Warcraft: Warlords of Draenor is the fifth expansion set to the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following Mists of Pandaria. It was announced on November 8, 2013 at BlizzCon 2013. The expansion was released on November 13, 2014.

World of Warcraft: Wrath of the Lich King is the second expansion set for the massively multiplayer online role-playing game (MMORPG) World of Warcraft, following The Burning Crusade. It launched on November 13, 2008 and sold 2.8 million copies within the first day, making it the fastest selling computer game of all time released at that point. The game added a substantial amount of new content into the game world, including the new continent of Northrend, home of the eponymous Lich King and his undead minions. In order to advance through Northrend, players are required to reach at least level 68 and the level cap for the expansion is 80. The first hero class was introduced, the Death Knight, that starts at level 55.