Byung-Gyu Chang - is a video game designer. Byung-Gyu Chang began his career in 2017 and has worked for companies such as Bluehole, En Masse Entertainment and Gameforge 4D. Byung-Gyu Chang's first game was TERA which was released 7 years ago. Best Game Byung-Gyu Chang contributed to was TERA. Byung-Gyu Chang's latest work is TERA which was released 7 years ago.