Gaming, in some ways, seems bigger than ever. An explosion in mobile titles, the sheer size of blockbusters like Call of Duty and Halo, and a seamlessly endless barrage of requests from Facebook friends to join them in games points to a growing, healthy industry.

But new data from the NPD Group, the market research company behind the industry’s monthly sales charts, finds that the number of players is on the decline in the U.S. — and it’s falling faster than you can imagine.

Read more at Yahoo! Games