Jekyll Hakase no Houma ga Toki

Jekyll Hakase no Houma ga Toki (ジキール博士の彷魔が刻) is a side-scrolling action game developed by Toho and originally published by Toho for the Family Computer on April 8, 1988 in Japan, and was later published by Bandai for the Nintendo Entertainment System as Dr. Jekyll and Mr. Hyde and released in April 1989 in North America.