http://retrogamingmagazine.com/2020/09/07/raiden-trad-brings-classic-vertical-scrolling-arcade-title-to-sega-genesis-september-7th-1991-today-in-video-game-history/
Raiden Trad Brings Classic Vertical Scrolling Arcade Title to Sega Genesis – September 7th, 1991 – Today in Video Game History