Moonmist is an interactive fiction computer game implemented by Stu Galley and published by Infocom in 1986. By applying Infocom's portable Z-machine, a game was freed at the same time for several popular platforms, including the IBM PC, Apple II, Atari ST and Commodore 64.

Plot
A streaming video player's character occurs as immature detective, asked by friend Tamara Lynd to investigate her freshly page of Tresyllian Castle around Cornwall, England. Tamara has recently turn into engaged to the castle's lord, Jack Tresyllian. She was super happy until she began seeing what appeared to become a Whiten Lady, a ghost world health organization has allegedly haunted the castle for centuries. When in case seeing the ghost wasn't nerve-stressful sufficiency, she's too begun to fear for her life. Is Tamara's imagination good excessively excited from either sleep in the big old castle, or even is mortal really trying to put to death her? & inside case her life is in danger, would it be from either the ghost or even somebody applying it as a disguise?

Feelies
To add to players' immersion in the story (too as a means of copy prevention), Infocom bundled extra things around sustaining to each one gage pack. These objects were known as feelies. A feelies for Moonmist were: A book, A Legendary Ghosts of Cornwall written by Lady Lisbeth Norris, which includes the site dedicated to "The White Lady of Tresyllian Castle" Two letters from either Tamara Lynd to the streaming video player; of these explaining Tamara's engagement to Lord Jack Tresyllian & her moving to a castle, & of these begging a streaming video player to investigate the "White Lady" ''The Visitant's Remedy to Tresyllian Castle'', the tourist-nature & severity pamphlet providing the history and rough in maps An iron-on logo of the game's title

Notes
Infocom marketed Moonmist as an "Introductory" level game.

A book involved using a pack, Legendary Ghosts of Cornwall, got a stamp indicating it experienced been checked out from either the Festeron Town Library. (Festeron was a setting of Wishbringer, another game aimed towards immature or even less experient players.)

A Tresyllian coat of arms when shown on the handle of the visitant's option bears a catchword "Quaerite et Invenietis". This occurs as Latin phrase that is usually translated when "Seek and ye shall find". A visitant's answer likewise lists a castle when existence in the fabricated "Frobzance Cove" within Cornwall. ("Frob" occurs as word inside MIT slang, and appears as a prefix for fictitious words throughout numbers of of Infocom's works.)