Mystery House | |
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Developer(s) | On-Line Systems |
Publisher(s) | On-Line Systems |
Designer(s) | Roberta Williams |
Programmer(s) | Ken Williams |
Series | Hi-Res Adventures |
Platform(s) | Apple II |
Release | 1980 |
Genre(s) | Adventure |
Mode(s) | Single-player |
Mystery House is an adventure game released by On-Line Systems in 1980. It was designed, written and illustrated by Roberta Williams and programmed by Ken Williams for the Apple II.Mystery House is the first graphical adventure game and the first game produced by On-Line Systems, the company which would evolve into Sierra On-Line.
The game starts near an abandoned Victorian mansion. The player is soon locked inside the house with no other option than to explore. The mansion contains many interesting rooms and seven other people: Tom, a plumber; Sam, a mechanic; Sally, a seamstress; Dr. Green, a surgeon; Joe, a gravedigger; Bill, a butcher; and Daisy, a cook.
Initially, the player has to search the house in order to find a hidden cache of jewels. However, terrible events start happening and dead bodies (of the other people) begin appearing. It becomes obvious that there is a murderer on the loose in the house, and the player must discover who it is or become the next victim.
At the end of the 1970s, Ken Williams sought to set up a company for enterprise software for the market-dominating Apple II computer. One day, he took a teletype terminal to his residence to work on the development of an accounting program. Rummaging through a catalog, he found a program called Colossal Cave Adventure. He and his wife Roberta both played it all the way through and their encounter with this game would lead to their strong influence on video-gaming history.
Having finished Colossal Cave Adventure, they began to search for something similar, but found the market underdeveloped. Roberta Williams liked the concept of a textual adventure very much, but she thought that the player would have a more satisfying experience with images and began to think of her own game. She thus conceived Mystery House, the first graphical adventure game, a detective story inspired by Agatha Christie's And Then There Were None.