- They didn't quite make the top 10 list for December on US NPD charts, but Mass Effect, Mario Party DS and Uncharted: Drake's Fortune also performed well during the holiday month.
Xbox 360 exclusive Mass Effect sold 401,000 during December, according to NPD numbers provided to virtual videogame stock market The simExchange.
Sony and Naughty Dog's critically-acclaimed action adventure game for PlayStation 3, Uncharted: Drake's Fortune (also released November 20) sold 206,000 copies during the month.