Many Asian gamers subscribe to online games, which makes up most of the industry's revenues, eMarketer reported.

"The online gaming market in the Asia-Pacific region is growing in tandem with the significant increase in consumer Internet use. In addition, the number of market players is rapidly expanding; therefore, improved content and a greater variety of games are keys to success in this market," said Stephanie Ethier, analyst at In-Stat.

Of all the Countries in the region, China is the fastest-growing and is expected to become the largest by 2009.