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  2. Space settlement - Wikipedia

    en.wikipedia.org/wiki/Space_settlement

    A Stanford torus interior (cutaway view) Interior view of a large scale O'Neill cylinder, showing alternating land and window stripes. A space settlement (also called a space habitat, spacestead, space city or space colony) is a settlement in outer space, sustaining more extensively habitation facilities in space than a general space station or spacecraft.

  3. Sub-Terrania - Wikipedia

    en.wikipedia.org/wiki/Sub-Terrania

    Sub-Terrania is a 1994 multidirectional shooter developed by Danish studio Zyrinx and published by Sega for the Mega Drive/Genesis.The game takes place in the future, where a deep-space mining colony has been invaded by an unknown alien race.

  4. Terraria - Wikipedia

    en.wikipedia.org/wiki/Terraria

    Terraria (/ t ə ˈ r ɛər i ə / ⓘ tə-RAIR-ee-ə [1]) is a 2011 action-adventure sandbox game developed by Re-Logic. The game was first released for Windows and has since been ported to other PC and console platforms.

  5. Underground living - Wikipedia

    en.wikipedia.org/wiki/Underground_living

    Underground living has been a feature of fiction, such as the hobbit holes of the Shire as described in the stories of J. R. R. Tolkien and The Underground City by Jules Verne. Some films are almost entirely set underground, such as THX 1138. The Fallout series also has underground shelters called Vaults.

  6. Derinkuyu underground city - Wikipedia

    en.wikipedia.org/wiki/Derinkuyu_underground_city

    The city at Derinkuyu was fully formed in the Byzantine era, when it was heavily used as protection from Arab Muslims during the Arab–Byzantine wars (780–1180 AD). [8] [9] [d] The city was connected with another underground city, Kaymakli, through 8–9 km (5.0–5.6 mi) of tunnels. [10]

  7. Galaxy filament - Wikipedia

    en.wikipedia.org/wiki/Galaxy_filament

    In cosmology, galaxy filaments are the largest known structures in the universe, consisting of walls of galactic superclusters.These massive, thread-like formations can commonly reach 50 to 80 megaparsecs (160 to 260 megalight-years)—with the largest found to date being the Hercules-Corona Borealis Great Wall at around 3 gigaparsecs (9.8 Gly) in length—and form the boundaries between voids ...

  8. Underground city - Wikipedia

    en.wikipedia.org/wiki/Underground_city

    Crystal City in Arlington County, Virginia, an underground city. An underground city is a series of linked subterranean spaces that may provide a defensive refuge; a place for living, working or shopping; a transit system; mausolea; wine or storage cellars; cisterns or drainage channels; or several of these. Underground cities may be currently ...

  9. Indie game - Wikipedia

    en.wikipedia.org/wiki/Indie_game

    An indie video game or indie game, short for independent video game, is a video game created by individuals or smaller development teams without the financial and technical support of a large game publisher, in contrast to most "AAA" (triple-A) games.