The series is made up of five core games: Warcraft: Orcs & Humans, Warcraft II: Tides of Darkness, Warcraft III: Reign of Chaos, World of Warcraft, and Hearthstone: Heroes of Warcraft. Of these games, no expansion sets were released for Warcraft: Orcs & Humans, but Warcraft II was accompanied by the release of Warcraft II: Beyond the Dark Portal and Warcraft III was accompanied by the release of WarCraft III: The Frozen Throne. Later on in the series the world of Azeroth was expanded, revealing the new continents of Kalimdor, Northrend, Pandaria and Broken Isles, allowing the introduction of the Night Elves, Tauren and other major races into the universe. The "Battle.net" edition of Warcraft II was also the first to introduce the use of CD keys to the series, requiring each user online to have their own copy of the game in order to be able to connect. Requiring a subscription fee to be paid to play, it also introduced regular additional content to the series in the form of patches. No advertisements were included in the magazine. In September 2011, Blizzard announced that the magazine was ceasing publication.
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