Warcraft
In 2004, Blizzard Entertainment moved the series away from the real-time strategy genre and released "World of Warcraft", a massively multiplayer online role-playing game (MMORPG). Requiring a subscription fee to be paid to play, it also introduced regular additional content to the series in the form of patches. "World of Warcraft" gained popularity worldwide, becoming the world's largest subscription-based MMORPG in 2008. The game reached a peak 12 million subscribers worldwide in October 2010. "World of Warcraft" has had seven expansions as of 2018. During the production of "", Blizzard co-founder Frank Pearce stated that "If there's a team that's passionate about doing another "Warcraft" [real-time strategy], then that's definitely something we would consider. It's nothing that we're working on right now, we have development teams working on "", "", "Diablo III", and when those teams are all off the projects they're working on, they'll be intimately involved in the discussions about what's next".
Warcraft Adventures: Lord of the Clans
"Warcraft Adventures" received significant pre-release attention from the gaming public and press, and the decision to cancel it was met with fan backlash and critical disappointment. Despite the game's cancellation, its story was adapted into the novel "" (2001) by Christie Golden, and was the basis for Blizzard's real-time strategy game "". Elements of the game later influenced "World of Warcraft" and the 2016 film "Warcraft". During the 2010s, leaked gameplay videos of "Warcraft Adventures" were posted on the Internet by Russian fans. A nearly-finished version of the game was released illegally online in September 2016. Reviewing the leaked version, critics generally praised its visuals, but several found its conservative design uninspired.