Doraemon was released by Hudson (current Konami) in 1986 for an 8-bit home console. This is an action game in which Doraemon goes on adventure using various Secret Gadgets to search for Nobita, Shizuka, Gian, Suneo who have been sent to "Space," "The haunts of evil," and "Undersea" due to a problem with their Time machine. Once you defeat the bosses in each world and rescue all of them, a wonderful ending awaits you!