ADVENT /ad'vent/ n.
The prototypical computer
adventure game first designed by Will Crowther on the PDP-10
in the mid-1970s as an attempt at computer-refereed fantasy gaming,
and expanded into a puzzle-oriented game by Don Woods at Stanford
in 1976....
grue n.
[from archaic English verb for `shudder' as
with fear] The grue was originated in the game Zork (Dave
Lebling took the name from Jack Vance's "Dying Earth"
fantasies) and used in several other Infocom games as a hint
that you should perhaps look for a lamp, torch or some type of
light source....