Definition of "overworld"

overworld

noun
plural overworlds
1. The celestial world.
  Quotations
  This is a steaming underworld:Where are the writhings? Where the cries?We came down from our overworldTo see them writhe, to hear their cries.
  1951, Naomi Replansky, “The Sightseers” in Ring Song (published 1952)
2. The community of law-abiding citizens.
3. (video games)
  1. An overarching map or region connecting various disparate towns, dungeons, or stages, usually represented on it by icons.
  2. The portion of a game that is set above ground, as opposed to underground caves etc.
    Quotations
    The overworld theme for the original Super Mario Bros. remains one of the most recognizable video game tunes to date.
    2017, Alyssa Aska, Introduction to the Study of Video Game Music, page 88
  3. (roleplaying games) The entirety of the world where the player can walk around, as opposed to separate game sections for battles, puzzles, etc.