Blizzard Entertainment has filed suit against the operators of Project Ascension, one of the most popular private World of Warcraft servers on the internet, in a move that continues the developer's accelerating crackdown on unauthorised WoW communities.

The 51-page lawsuit filed by Blizzard in the US District Court for the Central District of California on Friday alleges that the creators of Project Ascension are guilty of copyright violation, Digital........

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