Zork - The Undiscovered Underground

A beautiful princess has chosen you to solve the mystery of a castle named Chateau d'Or - The Golden Castle. Once there, you encounter a count whose tricky questions you have to answer in order to find a treasure. Adventure At The Chateau d'Or is a 3D adventure game with 3 different difficulty levels.

An adventure game based on Spider Robinson's series of stories about the unusual patrons of Callahan's bar. If you don't know the books, go read them. The game combines the bizarre adventures, strange characters, and twisted humor of the Callahan's series into a quest to save the universe from being erased by bored divine entities.