HADES SHUTTLE SERVICE COURTESY PHONE HINT LINE

A hint line reputed to be the "guide through the treacherous cruelty of the Hades Shuttle Service Courtesy Phone". Unfortunately for those eager to gain advice on how to operate the phone, every caller was placed indefinitely on hold for the next available representative, accompanied by endless hold music.

SOURCE(S): Zork:Grand Inquisitor (Invisiclues?)