Chukong Inc., the Chinese mobile gaming company, has launched 3D extension for Cocos2d-x game engine, its open-source cross-platform application development framework for iOS, Android and other mobile platforms. Cocos is the iOS/Android gaming engine brand under Chukong that is built on top of the OpenGL ES. Many of Chukong’s own mobile games are developed with Cocos 2D-x too. Founded in 2010, Chukong now is one of the largest mobile game developers. Apart from in-house developed mobile games, licensed games and Cocos, the company also runs a mobile game advertising platform PunchBox.