New stats confirm what many holiday shoppers already knew: Nintendo’s Wii was the most popular game console of the season, with 1.35 million flying off shelves. Its popularity provided a huge boost to the industry, said the NPD Group, which issued the report. In 2007, the video game industry hauled in a record $17.9 billion in sales, 43 percent higher than the $12.5 billion record set in 2006.