3 Months Ago, Inside Mac Games says (in WoW: 8.6 Million Sold, $258 Million Revenue) The statistics provided by NPD included the base World of Warcraft, plus the Collectors Edition version, the expansion pack-bundling Battle Chest, and the two standalone expansions: The Burning Crusade and Wrath Of The Lich King.Click over to the page below to read more.

And Action Trip says (in WoW Sells 8.6M Stateside) Blizzard Entertainment's World of Warcraft gathered 8.6 million sales from various releases, add-ons and packages distributed via US retail. The info comes from NPD data (thanks Gamasutra).

And Shacknews says (in World of Warcraft Sells 8.6 Million Units in US) World of Warcraft has netted 8.6 million sales across its various releases, expansion packs and bundles from US retail, according to NPD data provided to Gamasutra.

The figure includes the base edition of World of Warcraft, the Collector's Edition, its two expansions The Burning Crusad...