Online gaming revenue is set to explode in the next few years, according to Parks Associates, who have published a report claiming that revenues from US online gaming services are set to triple from $1.1 billion in 2005 to more than $3.5 billion in 2009.

Networked gaming services, such as online console gaming, multiplayer online gaming and mobile multiplayer gaming will account for almost 50 percent of revenues, the firm said. Digital downloads are expected to account for 23 percent of sales.