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Costar Software

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Shenzhen-based online game developer and the core R&D subsidiary of Guangyu Games, known for titles such as Chuangshi and Wenda.

Last updated September 26, 2026

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Overview

Costar Software (Chinese: 科诗特软件), formally Shenzhen Costar Software Co., Ltd. (深圳科诗特软件有限责任公司), is a Chinese video game developer headquartered in the Nanshan District of Shenzhen, Guangdong. It was founded in the spring of 2004 under the name Shenzhen Guangyu Tiancheng Interactive Software Co., Ltd. (深圳光宇天成互动软件有限公司), also known as Tiancheng Interactive (天成互动), and is the most important professional online game development enterprise under Guangyu Games (光宇游戏). The company is recognized as a national high-tech enterprise, a Shenzhen high-tech enterprise, a Shenzhen key cultural enterprise, and a Shenzhen key software enterprise, and was among the first batch of companies to move into the Shenzhen Creative Industry Park with municipal government support. Costar Software focuses on providing top-tier product solutions and interactive entertainment content for China's interactive entertainment industry. Its areas of activity include the research and development of online games and web games, mobile internet entertainment applications, and related game engines and supporting tools. The company operates seven game development studios and a Chengdu R&D branch, employing more than 400 professional R&D and technical staff covering planning, art, programming, and testing. More than 85% of employees hold a college degree or above, and the team includes master's and doctoral graduates from well-known domestic and overseas universities, with most technical staff having years of game development experience. Guided by the philosophy of "gathering top talent and dedicating Chinese masterpieces," and the development concept of "rooted in traditional Chinese culture, combined with cutting-edge production technology, dedicated to the most Chinese-flavored entertainment products," Costar Software has developed multiple role-playing online games, web games, and mobile games that are already operating in the market. Some of these products have also been operated simultaneously in international markets such as South Korea and Taiwan, earning recognition from players and achieving solid market performance. The company has announced upcoming releases including the large 3D online game Chuangshi II (《创世II》) and several turn-based games, web games, and mobile games, aiming to serve both high-end and lower-end player interests. As a subsidiary of Guangyu Games, which has ranked among the top 10 companies by market share in China's game industry since 2006, Costar Software benefits from a strong group background and government support. It has established broad cooperative relationships with game product distributors, game operators, print and online game media, and ICP and ISP suppliers at home and abroad. The company positions itself as an indispensable R&D force for the rise of China's game industry, integrating resources and cooperating with partners to advance the Chinese online entertainment industry.

History

Costar Software was established in the spring of 2004 in Shenzhen, Guangdong, under the name Shenzhen Guangyu Tiancheng Interactive Software Co., Ltd. (深圳光宇天成互动软件有限公司), commonly shortened to Tiancheng Interactive (天成互动). From its inception, it was positioned as the most important professional online game development enterprise under Guangyu Games (光宇游戏), a Chinese game operator and developer that has ranked among the top 10 companies by market share in China's game industry since 2006. The company was also among the first batch of enterprises to settle in the Shenzhen Creative Industry Park with the support of the municipal government, and it has been recognized as a national high-tech enterprise, a Shenzhen high-tech enterprise, a Shenzhen key cultural enterprise, and a Shenzhen key software enterprise. In its early years, Costar Software focused on building a robust R&D organization. It adopted the motto "gathering top talent and dedicating Chinese masterpieces" and a development philosophy of being rooted in traditional Chinese culture while applying cutting-edge production technology to create entertainment products with distinctive Chinese characteristics. Over time, the company grew to operate seven game development studios and a Chengdu R&D branch, employing more than 400 professional R&D and technical staff across planning, art, programming, and testing. More than 85% of employees hold a college degree or above, and the team includes master's and doctoral graduates from well-known domestic and overseas universities, with most technical staff bringing years of game development experience. The company developed and brought to market multiple role-playing online games, web games, and mobile games. Its portfolio has included titles such as Chuangshi (《创世》), Wenda (《问道》), Wenda Waizhuan (《问道外传》), Shushan Jianxia Zhuan (《蜀山剑侠传》), Tianmo Chuanshuo (《天魔传说》), Xuanwu Ba (《炫舞吧》), Tianjiao 3 (《天骄3》), and Qin Shi Huang (《秦始皇》). Several of these products were also operated simultaneously in international markets such as South Korea and Taiwan, earning player recognition and solid market performance. The company has announced upcoming releases including the large 3D online game Chuangshi II (《创世II》) and several turn-based games, web games, and mobile games, aiming to serve both high-end and lower-end player interests. Throughout its development, Costar Software has relied on the strong backing of its parent group, Guangyu Games, and on government support for high-tech enterprises. It has built broad cooperative relationships with game product distributors, game operators, print and online game media, and ICP and ISP suppliers at home and abroad, providing a better support platform for its growth. The company positions itself as an indispensable R&D force for the rise of China's game industry and continues to integrate resources and cooperate with partners to advance the Chinese online entertainment industry.

  • 2006

    Parent company Guangyu Games begins ranking among the top 10 companies by market share in China's game industry.

  • 2004

    Founded in spring in Shenzhen as Shenzhen Guangyu Tiancheng Interactive Software Co., Ltd. (Tiancheng Interactive).

  • Recognized as a national high-tech enterprise, Shenzhen high-tech enterprise, Shenzhen key cultural enterprise, and Shenzhen key software enterprise.

  • Among the first batch of enterprises to settle in the Shenzhen Creative Industry Park.

  • Operates seven game development studios and a Chengdu R&D branch with over 400 R&D staff.

  • Multiple online games, web games, and mobile games operating in China and simultaneously in South Korea and Taiwan.

  • Announced upcoming release of 3D MMORPG Chuangshi II and other turn-based, web, and mobile games.

Products and positioning

A leading Chinese online game developer rooted in traditional Chinese culture, delivering high-quality domestic and international entertainment products as the core R&D arm of Guangyu Games.

  • Chuangshi (创世)

    Online game in the company's portfolio.

  • Wenda (问道)

    Online game in the company's portfolio.

  • Wenda Waizhuan (问道外传)

    Online game in the company's portfolio.

  • Shushan Jianxia Zhuan (蜀山剑侠传)

    Online game in the company's portfolio.

  • Tianmo Chuanshuo (天魔传说)

    Online game in the company's portfolio.

  • Xuanwu Ba (炫舞吧)

    Online game in the company's portfolio.

  • Tianjiao 3 (天骄3)

    Online game in the company's portfolio.

  • Qin Shi Huang (秦始皇)

    Online game in the company's portfolio.

  • Chuangshi II (创世II)

    Upcoming large 3D online game announced by the company.

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