Strategy Analytics has forecast that worldwide game software revenues will surge by nearly 40 percent to reach $65 billion by 2013 driven by online social games and virtual goods sales.  As reported in Industry Gamers, the firm s Global Video Game Market Forecast says revenues from online games, including subscriptions, virtual item sales, and in-game advertising, will grow at an annual rate of nearly 19 percent to reach about $25 billion in 2013.  It pinpoints that growth as driving overall game software sales, calling it the predominant growth category.   The report says the Asia Pacific market will dominate online game revenues, but notes North America and Western Europe will experience faster growth.  Read more at Industry Gamers {link no longer active}.