GameStop says it sold 2.5 million copies of Activision’s Modern Warfare 2 in the first three days, setting a new game launch sales record for its stores. Media outlet GameSpot reports that the US game retailer stated the figure as part of its third quarter earnings, where it also said it expects continuing brisk sales over the holidays on other big titles including Ubisoft’s Assassin s Creed II and Nintendo’s The New Super Mario Brothers.

GameSpot also lists the games provided by the retailer as meeting or beating sales expectations during its third quarter. They are EA’s Madden NFL 10, Microsoft’s Halo 3: ODST, Warner Brothers Batman: Arkham Asylum, 2K Sports’ NBA 2K10, and Nintendo’s Wii Sports Resort. Read more at GameSpot.