Perfect World Co., Ltd. is a leading online game developer and operator in China. Perfect World primarily develops three-dimensional ("3D") online games based on the proprietary Angelica 3D game engine and game development platform. The Company’s strong technology and creative game design capabilities, combined with extensive local knowledge and experience, enable it to frequently and rapidly introduce popular games that are designed to cater to changing customer preferences and market trends in China. The Company’s current portfolio of self-developed online games includes 3D massively multiplayer online role playing games ("MMORPGs"): "Perfect World," "Legend of Martial Arts," "Perfect World II," "Zhu Xian," "Chi Bi" and "Pocketpet Journey West;" and a 3D online casual game: "Hot Dance Party."