CHINESE game developers are trying to break into or make further gains in overseas markets after capturing a more than 70 percent share of the domestic market. Top game firms, including Shanda Entertainment, NetEase, Tencent and Perfect World are attending the five-day China Digital Entertainment Expo in Shanghai. The conference is also known as ChinaJoy, the country’s biggest annual game fair. Among a total of about 600 games displayed at ChinaJoy, more than 400 games are developed locally. Homegrown games have become mainstream products in China, now they are on the way to making Chinese games competitive globally.