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An early (late '70s) HP minicomputer text adventure game, this one begins with the player dropped off by a taxi outside the locked gate of an estate containing an eponymous mysterious mansion, at the end of an endless "hideous highway". The grounds are surrounded by dense and difficult-to-navigate (even with the assistance of obligatory magic words) woods. Can the player find a way into the cubic building (three floors of 3x3 rooms), treasure-hunting ensues, as well as solving a murder mystery -- if the player can avoid becoming another victim of the murderer! The clock is always running, and should the player dally, the mansion, along with its treasures, its host of resident NPCs, and the player itself, all are incinerated in a house fire sparked suspiciously (or, dare I say... mysteriously?) at the stroke of midnight.


Mystery Mansion Windows Time passes while I'm stumbling through the underbrush!
Mystery Mansion Windows That would do it.  A succinct way of communicating both inventory and life status!  But what I want to know is: does he have any tea?
Mystery Mansion Windows Interaction is limited, but fortunately my x-ray specs still work!
Mystery Mansion Windows Potential inventory items, company, and a maze.

Promo Images

Mystery Mansion Screenshot
Mystery Mansion Screenshot
Mystery Mansion Screenshot
Mystery Mansion Screenshot

Alternate Titles

  • "Mystery Mansion Adventure" -- Android title

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As with many period games, written in an environment in which gaming was never expected and using tools not optimised for such programs, the original Fortran source is described as being a typical mess of "spaghetti code" of GO TO statements, yielding a source code around 10 thousand lines long!

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Pseudo_Intellectual (58650) added Mystery Mansion (Windows) on Jan 31, 2008
Other platforms contributed by Xoleras (67028) and Pseudo_Intellectual (58650)