According to market research group NPD, game and puzzle sales were down 9% in 2010 compared to 2009. (source)

In other news, a Lego Games survey indicates that half of the people in the UK have gotten into fights over board games, with 12% becoming so angry that they never spoke to that person again. (source) 19% discovered that their friends are stupider than they originally believed, and a quarter admit to cheating.