Mystery House

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Mystery House cover.png
Mystery House
Developer On-Line Systems
Publisher On-Line Systems
Platforms Apple II
Released United States: 1980
Added to
Museum
Apple II (from ScummVM.org): March 22, 2018

Mystery House (ミステリーハウス) was the first adventure game with graphics.

It was released in 1980, and was the first game by On-Line Systems (later known as Sierra On-Line, Sierra Entertainment, then just Sierra).

Mystery House was marketed as the first video game in the Sierra On-Line Hi-Res Adventures series.

Plot

A person searches for treasure and uncovers a murderer or before becoming the next victim.

Development

The story and graphics were made by Roberta Williams. The game was programmed by, and the black and white line graphics were scanned in line by line by, her husband Ken Williams.

Versions

Mystery House was first sold with just a disk and a one-sided card-stock paper that served as a manual in a plastic zip-lock baggie out of Ken and Roberta Williams' home.

The game was released into the public domain in 1987 and has since been classified as freeware.