Analyst: Brazil, Russia, India, and China as well as Steam will help PC gaming top $24 billion by 2017

Brazil, Russia, India, and China — this isn’t just a list of countries with better food than the United States. It’s a list of the countries that will lead PC and Mac gaming to new heights in the next three years.

PC gaming will top $24 billion in revenues by 2017, according to the International Data Corporation. That growth, however, will not come from North America. As casual gamers continue to abandon Facebook titles like Zynga‘s FarmVille and Blizzard’s subscription numbers keep dipping for World of Warcraft, North American PC gaming earnings are actually expected to slip.