Hunt the Wumpus

Hunt the Wumpus is an early computer game, based on a simple hide and seek format featuring a mysterious monster (the Wumpus) that lurks deep inside a network of rooms. It was originally a text-based game written in BASIC. It has since been ported to various programming languages and platforms including graphical versions. Source: Wikipedia, "http://en.wikipedia.org/wiki/Hunt_The_Wumpus," available under the CC-BY-SA License.