refers to the evolving landscape of high-definition, immersive fictional universes that have seen a significant rise in prevalence and structural complexity over the last century. Unlike historical "imaginary worlds" that often served as simple backdrops, modern iterations are characterized by deep cohesion , intricate world-building, and multi-platform expansion. The Evolution of Fictional Universes
: While ancient worlds like those in The Odyssey provided limited geographical or societal detail, modern worlds like J.R.R. Tolkien’s Middle-earth or Eiichiro Oda’s One Piece utilize paratextual devices—such as maps, glossaries, and bestiaries—to create a "pluriverse" that feels physically and logically consistent. A World of WorldsHD
: Successful IPs often span multiple media—such as The Witcher 's transition from novels to games and Netflix series—integrating character diaries and lore videos to deepen the user's connection to the world. modern worlds like J.R.R.