International Games System is a creator and publisher of video games.
International Games System has been active on the market since before 2013.
Its first and so far only project was game Constant C.
The developer's most recent work is Constant C; company is releasing this game in-house. Production release occurred on 13 March 2013.
International Games System
Official Webpage: http://www.igs.com.tw/www/index.html