If you proceed, you are likely to be eaten by a grue.

[truepenny]

Article on text adventures--for which the swank modern term is apparently "interactive fiction."

(And Mirrorthaw gets a gold star for sending me the link.)

I played almost every game Infocom released. Planetfall was the best, imo, but my greatest lingering fondness is probably for Zork and its sequels.

All hail the Great Underground Empire!