1. Anonymous says

    Grues are creatures from an old text adventure series called “Zork”. Basically, if you turn off the lights and stay in the dark, Grues can come out and eat you.


  2. Nix says

    Anonymous, I think he knew. (The `infocom geek’ is a bit of a giveaway. Even more of a giveaway is, well, type what he wrote at Zork and see what it says.)