'ZORK I: The Great Underground Empire' under Virtual PC

Virtual PC Guy's WebLog

'ZORK I: The Great Underground Empire' under Virtual PC: "Zork would have to be one of the all time greatest text adventure games. ...

You can download a copy of Zork and relive the experience from here."

Everyone needs a little ZORK now and then...

Also check out the comments for more info on running ZORK natively on Windows (and other platforms).