Dark World/Trivia


 * The concept first started to most people with The Legend of Zelda a Link To T He Past but actually pre-dates it by a few years with The Lord of the Rings and The Hobbit being the first Western Mentions of the trope with the world of the Ring-Wraiths.
 * It's such a popular trope that many Survival Horror and Role Playing Games invoke it often.
 * In fact there are parallel concepts to a Dark World in the form of Virtual Reality and All Just a Dream tropes.