Related:

• ethack: /net'hak/ [UNIX] n. A dungeon game similar to {rogue} but more elaborate
  distributed in C source over {USENET} and very popular at UNIX sites and on PC-class machines (nethack is probably the most widely distributed of the freeware dungeon games)....
• ogue 1. [Unix] n. A Dungeons-and-Dragons-like game using character graphics, written under BSD Unix and subsequently ported to other Unix systems.
  The original BSD curses(3) screen-handling package was hacked together by Ken Arnold primarily to support games, and the development of rogue(6) popularized its use...
• Angband n. /ang'band/ Like nethack, moria, and rogue
  one of the large freely distributed Dungeons-and-Dragons-like simulation games, available for a wide range of machines and operating systems....
• ogue: [UNIX] n. A Dungeons-and-Dragons-like game using character graphics, written under BSD UNIX and subsequently ported to other UNIX systems.
  The original BSD `curses(3)' screen-handling package was hacked together by Ken Arnold to support `rogue(6)' and has since become one of UNIX's most important and heavily used application libraries....
• moria /mor'ee-*/ n. Like nethack and rogue, one of the large PD Dungeons-and-Dragons-like simulation games, available for a wide range of machines and operating systems.
  The name is from Tolkien's Mines of Moria; compare elder days, elvish....
• Zork /zork/ n. The second of the great early experiments in computer fantasy gaming
  ee ADVENT. Originally written on MIT-DM during 1977-1979, later distributed with BSD Unix (as a patched, sourceless RT-11 FORTRAN binary...
• Zork: /zork/ n. The second of the great early experiments in computer fantasy gaming
  ee {ADVENT}. Originally written on MIT-DM during the late 1970s, later distributed with BSD UNIX (as a patched, sourceless RT-11 FORTRAN binary...
• moria: /mor'ee-*/ n. Like {nethack} and {rogue}, one of the large PD Dungeons-and-Dragons-like simulation games, available for a wide range of machines and operating systems.
  The name is from Tolkien's Mines of Moria; compare {elder days}, {elvish}....
• back door n. [common] A hole in the security of a system deliberately left in place by designers or maintainers.
  The motivation for such holes is not always siniste...