Tomoyasu Koga - is a video game programmer. Tomoyasu Koga began his career in 1987 and has worked for companies such as Arc System Works, HAMSTER, Technōs Japan and Co.. Tomoyasu Koga's first game was Double Dragon which was released 37 years ago. Best Game Tomoyasu Koga contributed to was Double Dragon. Tomoyasu Koga's latest work is Double Dragon which was released 37 years ago.