The Adventures of Superman (radio) home planet of Krypton is located on the far side of the sun, as opposed to a distant star system as it is in most stories. During the journey to Earth, baby Kal-el grows into an adult and emerges fully grown from his ship after it lands on Earth. He is never adopted by the Kents but immediately begins his superhero career. This was eventually retconned in later episodes to match the narrative of the comic books. This serial introduced the fictional mineral kryptonite, the radiation from which can weaken and even (in some continuities) kill Superman. Aside from giving
Superman (Sunsoft game) Sega Master System and Sega Game Gear were developed by Craftgold and published by Virgin Interactive in Europe as "Superman: The Man of Steel", which was also the title received by the European Mega Drive version published by Virgin. Each level of the game begins with a front page of the Daily Planet announcing that some supervillain is wreaking havok on the city, and with Clark Kent a.k.a. Superman leaping into a phonebooth in order to start the level. The game limited the powers of Superman to jumping, punching and kicking. He could only use his famous superpowers by collecting