One online game has become so popular that some worry it is sucking players from everything else. “With its finely polished, subtly humorous rendition of fantasy gaming – complete with mages, orcs, dragons and demons – World of Warcraft has become such a runaway success that it is now prompting a debate about whether it is helping the overall industry by bringing millions of new players into subscription-based online gaming or hurting the sector by diverting so many dollars and players from other titles.”